New entry Nov. 2025

Stamps printed in excessive quantities

According to an article in the Philatelic Webmaster Organization, some companies that have printed stamps on behalf of poor countries (especially in Africa) are printed in excessive quantities aimed at collecting.

Stamps are only apparently approved by local postal administrations,

The article mentions in particular

many stamps and leaflets related to minerals, from countries such as:

Chad, Comoros, Mali, Niger, Congo ,

Burundi, Guinea Rep., Guiné Bissau Rep.,

Solomon Is., S.Tome & Prince, Togolaise Rep.....

*****

Black number = Scott catalog

Blue or red number = Yvert et Tellier catalog

****

Scientists of Geosciences

Image

Country

Year

Subject

Yvert

Set

Mexico

NEW

1965

Andrés Manuel del Río

1764 – 1849

Mexican scientist, chemist, and geologist of Spanish origin.

He was the discover the chemical element

Vanadium

Scott

961

Meteorites

Image	Country	Year	Subject	Yvert	Set

Gems and Jewels FDC and Postcards

Garnet

Precious stones

Fluorite

Maxicard

Australia

2017

Garnet

Precious stones

Various gems

Maxicard

Australia

2017

Minerals, FDC and Postcards

Angola

Rhodocrosite

Dino

Angola

2018 - n.c.

Y&T - BF 154

2018 – n.c. Y&T 1744	2018 – n.c. Y&T 1745	2018 – n.c. Y&T 1746	2018 – n.c. Y&T 1747

Atacamite Libethenite	Quartz	Pyroxene	_Amethist
	Angola 2018 - n.c.	Y&T - 1744 - 1747

Australia

2020- n.c. Multi

Y&T 4980-3983

2020 - n.c

Y&T - 4981

2020 - n.c.

Y&T - 4982

2020 - n.c.

Y&T - 4983

Opalised pine cone

Opalized Teropod thooth

Opalized moon snail

Opalized wood

Belgie

Malachite

NEW

Belgie

2018 - n.c.

Y&T - 4762

Pyrite

NEW

Belge

2020 - n.c.

Y&T - 4895

Burundi

Nelson Mandela

Malachite on Chrysocolla

NEW

Burundi

2011 - n.c.

Y&T - n.c.

Wangari Maathai

Fluorite

NEW

Burundi

2011 - n.c.

Y&T - n.c.

Native Copper

Pseudomalachite

NEW

Burundi

2014 - n.c.

Y&T - 2305-2306

Cambodge

Yellow zircon

Cambodge

2020 - n.c.

Y&T - BF 240

Centrafricaine Republique

Pyromorphite

Dioptase

Chalcantite

Gold

NEW

Centrafricaine Republique

2017- n.c.

Y&T - 5241-5244

Euclase

Spessartite garnet

Ludlamite

Brasilianite

NEW

Centrafricaine Republique

2018- n-c.

Y&T - BF n.c.

Andradite garnet

Cassiterite

Neptunite

Celestine

NEW

Centrafricaine Republique

2018- n-c.

Y&T - n.c.

Willemite

Spessartite garnet

Andradite garnet

NEW

Centrafricaine Republique

2018- n.c.

Y&T - BF n.c.

Scapolite

Uvite

Brookite

Ludlamite

NEW

Centrafricaine Republique

2018- n-c.

Y&T - n.c.

Apatite

Celestine

Grossulaire garnet

Rhodonite

NEW

Centrafricaine Republique

2019 - n.c.

Y&T - 6528-6531

Rocks

Dumortierite

NEW

Centrafricaine Republique

2020 - n.c.

Y&T - BF 1600

Various quartz

NEW

Centrafricaine Republique

2021- n.c.

Y&T - 8019-8028

Demantoide garnet

Willemite

Brookite

Kunzite

NEW

Centrafricaine Republique

2023- n.c.

Y&T -BF 2368

Euclase Arsenopyrite Brasilianite Spessartine garnet

NEW

Centrafricaine Republique

2023- n.c.

Y&T - 9101-9104

Various minerals

NEW

Tantalite

Gyrolite

NaCa₁₆Si₂₃AlO_{60
(OH)₈·64(H₂O)}

Schorlomite

Ca₃Ti₂Fe3+2SiO₁₂

Centrafricaine Republique

2024- n.c.

Y&T - n.c.

Vardite

Zircon

Tangeite

Stolzite

NEW

Centrafricaine Republique

2024- n.c.

Y&T - n.c.

Spangolite

Cu₆Al(SO₄)(OH)_{12
Cl·3(H₂O)}Cl·3(H₂O)

Cl·3(H₂O)

Pyrargyrite

Pseudobrookite

NEW

Centrafricaine Republique

2024- BF n.c.

Y&T - BF n.c.

Sylvanite (Au,Ag)₂Te₄

Tarbuttite

Sanidine

Libethenite

NEW

Centrafricaine Republique

2024 - Multi n.c.

Y&T - Multi n.c.

Djibouti Republique

Brookite

Celestine

Demantoide garnet

Djibouti Republique

2018- n-c.

Y&T - BF 316

Kunzite

Red Bery

Anglesite

Celestine

Djibouti Republique

2018- n-c.

Y&T - 2032-2035

Red Beryl

Cave of

crystals

Naica Mex.

Djibouti Republique

2018- n-c.

Y&T - BF 392

Kyanite

Anatase

Andradite garnet

Cassiterite

Djibouti Republique

2018- n-c.

Y&T - 2309-2313

Beryl

Emerald

Quartz

Djibouti Republique

2019- n-c.

Y&T - BF n.c.

Apophillyte

Quartz

Grossulaire garnet(??)

Apatite

Djibouti Republique

2019- n-c.

Y&T - 2801-2804

Amethist

Calcite

Djibouti Republique

2020 - n.c.

Y&T - BF 633

NEW

Minerals of the world

Ronneburg Mine Deutschland

Various minerals

Djibouti Republique

2022 - n.c.

Y&T - 3931-3938

Wulfenite

Amazonite

NEW

Djibouti Republique

2024 - BF n.c.

Y&T - Multi n.c.

Rhodochrosite

Wulfenite

NEW

Djibouti Republique

2024 - BF n.c.

Y&T - Multi n.c.

Aquamarine

Rhodochrosite

NEW

Djibouti Republique

2024 - BF n.c.

Y&T - Multi n.c.

Pyromorphite

Aquamarine

NEW

Djibouti Republique

2024 - BF n.c.

Y&T - Multi n.c.

Apophillite

Apatite

Quartz

Amethyst

Emerald

Garnet Grossular

NEW

Djibouti Republique

2024 - Multi n.c.

Y&T - Multi n.c.

Lepidocrocite

Wolframite

Pyrite

Vanadinite

Pyrite

Vanadinite

NEW

Djibouti Republique

2024 - BF n.c.

Y&T - BF 1247

Hessite

Vauxite

Rutherfordine

Uranospinite

NEW

Djibouti Republique

2024 - Multi n.c.

Y&T - 5034-5037

Guinea

Amethyst

Baryte

NEW

Guinea

2019 - n.c.

Y&T - BF n.c.

Mimetite

Aragonite

Quartz

Tormaline

NEW

Guinea

2019 - n.c.

Y&T - Multi n.c.

Minerals of the world

Laurion

Greece

Various minerals

NEW

Guinea

2020 - n.c.

Y&T n.c.

Amazonite

Carnelian

Pyrite

NEW

Guinea

2020 - n.c.

Y&T - BF 2498

Azurite

Malachite

Beryl

Magnesite

Cuprite

NEW

Guinea

2020 - n.c.

Y&T - 10263-10266

Guiné Bissau

Various minerals and Dino

NEW

Guiné Bissau

2005 - n.c.

Y&T - BF 280

Various minerals and Dino

NEW

Guiné Bissau

2005 - n.c.

Y&T - 2068 - 2073

Orpiment

Barite

Dolomite

NEW

Guiné Bissau

2009 - n.c.

Y&T - cinderella

Brasilianite

Erinite

Red Beryl

Brookite

NEW

Guiné Bissau

2018 - n.c.

Y&T - BF 1420

Demantoide garnet

Ilmenite,

Kyanite

Milerite,

Euclase

Erinite

NEW

Guiné Bissau

2018 - n.c.

Y&T - 7582-7586

Euclase

Cassiterite

Willemite

NEW

Guiné Bissau

2018 - n.c.

Y&T - BF 1471

Cassiterite

Brookite

Spodumene

Celestine

Willemite

NEW

Guiné Bissau

2018 - n.c.

Y&T -7832-7836

Calcite

Rodonite

Larimar

NEW

Guiné Bissau

2020 - n.c.

Y&T - BF 1630

Minerals of the world

Clara Mine - Deutschland

NEW

Guiné Bissau

2021- n.c.

Y&T - 9596-9603

Zircon

Various minerals

NEW

Guiné- Bissau 2022 - n.c.

Y&T - BF 2246

Scheelite

Saffirine

Rodizite

Alabandite

NEW

Guiné Bissau

2022 - n.c.

Y&T - 10515-10518

Anatase

Red Beryl

Pyromorphite

Beryl

NEW

Guiné Bissau

2022 - n.c.

Y&T - BF 2033

Azurite

Calcite

Quartz

Chiastolite

Andalusite

Larimar

NEW

Guiné Bissau

2022 - n.c.

Y&T - 9860-9862

Fluorites from all over the world

NEW

Guiné Bissau

2024 - n.c.

Y&T - n.c.

Pollucite Rhodizite

Siegenite

Childrenite

Saleeite

Ilvaite

NEW

Guiné Bissau

2024 - BF n.c.

Y&T - n.c.

Lindgrenite Charlesite Saleite

Pollucite

Childrenite

NEW

Guiné Bissau

2024 - BF n.c.

Y&T - n.c.

Liberia

Vesuvianite

Axinite

Scheelite

Shattuckite

NEW

Liberia

2022- n-c.

Y&T - BF 964

Vesuvianite

Eudialite

Na₄(Ca,Ce)₂(Fe²⁺,Mn,Y)ZrSi₈O₂₂(OH,Cl)₂

Stibnite

NEW

Liberia

2022- n-c.

Y&T - BF 965

Scheelite

Realgar

Stibnite

Stannite

2 label

Richterite

Vesuvianite

NEW

Liberia

2022- n-c.

Y&T - 6882-6885

Inesite

Ca₂Mn₇Si₁₀O₂₈(OH)₂·5(H₂O)

Charlesite

Ca₆(Al,Si)₂(SO₄)₂B(OH)_{4
(OH,O)₁₂·26(H₂O)}

Kesterite

Cu₂(Zn,Fe)SnS₄

Arsenopyrite

NEW

Liberia

2022- n-c.

Y&T - BF 1146

Alabandite Kottingite

Jalpaite

Orthoclase Marialite

Axinite

NEW

Liberia

2022- n-c.

Y&T - 7393-7398

Minerals of the world

Lenghenbah Mine

NEW

Liberia

2023 - n.c.

Y&T -Multi 8090-8097

Minerals of the world

Hagendorf Mine

Gerrmany

NEW

Liberia

2023 - n.c.

Y&T -Multi 8857-8864

Maldives

Linarite

Calcite

NEW

Maldives

2015- n-c.

Y&T - BF 799

Wulfenite

Barite

Fluorite

Tanzanite

NEW

Maldives

2015- n-c.

Y&T - 4805-4808

Dioptase Eosphorite

Aquamarine

NEW

Maldives

2018- n-c.

Y&T - BF 1147

Anglesite

Celestine

Euclase

Garnet

NEW

Maldives

2018- n-c.

Y&T - 6142-6145

Ilmenite

2 label

NEW

Maldives

2019- n-c.

Y&T - BF 1327

Analcime Uvarovite

Cassiterite Scapolite

NEW

Maldives

2019- n-c.

Y&T - 6857-6860

Garnet + Volcano

NEW

Maldives

2019- n-c.

Y&T - BF 1378

Volcanoes

Fluorite

Baryte

Amethist

Bauxite

NEW

Maldives

2019- n-c.

Y&T - 7085-7088

NEW

Azurite

Columbite

Maldives

2020- n-c.

Y&T - BF 1740

Minerals of the world

Hagendorf - Sud Mine

Gerrmany

NEW

Maldives

2020- n-c.

Y&T - 7330-7337

Carnelian

Lazurite

Beryl

Malachite

2 labels

NEW

Maldives

2020- n-c.

Y&T - 7458-7461

Mocambique

Tourmaline

Garnet

Spessartite

Phenacite

Scapolite

NEW

Mocambique

2018- n-c.

Y&T - BF 1254

Scapolite

Garnet Demantoide

NEW

Mocambique

2019- n-c.

Y&T - BF 1367

Beryl

Andalusite

Andradite

Celestine

NEW

Mocambique

2019- n-c.

Y&T - 8159-8162

Yellow Quartz

NEW

Mocambique

2019- n-c.

Y&T - BF 1431

Cinnabar

NEW

Mocambique

2019- n-c.

Y&T - BF 1498

Siderite

Torbernite

NEW

Mocambique

2019- n-c.

Y&T - BF 1528

Niger

Red Beryl

Phosphophyllite

NEW

Niger

2018- n.c.

Y&T - BF 898

Dioptase

Brasilianite

Monazite

Garnet Tsavorite

NEW

Niger

2018- n.c.

Y&T - 4749-751

Brasilianite

Cassiterite

Celestine

Phosphophyllite

NEW

Niger

2018 - n.c.

Y&T - BF 948

Monazite

Spodumene

Phenakite

Euclase

NEW

Niger

2018 - n-c.

Y&T - 4946-4949

Quartz - Heulandite

Ossidiana

NEW

Niger

2020- n-c.

Y&T - BF 1176

Lazurite Goethite Columbite Malachite

NEW

Niger

2020 - n-c.

Y&T - 5885 - 5888

Wulfenite - Hematite - Wolframite - Sulfur

Moldavite

NEW

Niger

2019 - n-c.

Y&T - BF 1126

Fluorite

Bornite

Lepidolite

Chrysocolla

NEW

Niger

2019 - n-c.

Y&T - 5639-5642

Malachite Pyrite Tourmaline

NEW

Niger

2019 - n.c.

Y&T - BF 982

Chrysocolla Scolecite Quartz

Azurite Hiddenite

NEW

Niger

2019- n.c.

Y&T - 5082-5085

Crocoite Tourmaline Black

NEW

Niger

2019 - n.c.

Y&T - BF 1200

Quartz

Chalcopyrite

Albite

Morganite

NEW

Niger

2021- n.c.

Y&T - BF 1292

Minerals of the world

El Dragon mine Bolivia

Various minerals

NEW

Niger

2021- n.c.

Y&T - 6150-6157

Serandite

Jadeite

Pyrite

NEW

Niger

2022 - n.c.

Y&T - BF 1515

Vanadinite

Labradorite

Eclogite

Jadeite

NEW

Niger

2022 - n.c.

Y&T - 7363-7366

Grandidierite

Malachite

Pyrite

NEW

Niger

2022- n.c.

Y&T - BF 1516

Nederland - Hollande

Margaronasite

Mistake on stamp

NEW

Nederland - Hollande

2023 -1

Margarosanite

Correct name

NEW

Nederland - Hollande

2023 - 1a

2021 - n.c.

2021 - n.c.**

2021 - n.c. **

2022 -n.c.

Need

Agate

SiO₂

Limonite

	FeO(OH)· $n$ H₂O

Malachite

	Cu₂(CO₃)(OH)₂

2022 -n.c.

Quartz v. amethist

SiO₂

Vanadinite

Pb₅(VO₄)₃Cl

Data errrata 2202

Septaria - rock

Celestine

SrSO₄

2022 -n.c.

Labradorite

(Ca,Na)(Si,Al)₄O₈

Beryl v. Emerald

Calcite

Descloizite

(Pb,Zn)₂VO₄OH

2023 - n.c.	2023 - n.c.	2023 - n.c.	2023 -n.c.

1 - Margarosanite Mistake on stamp Pb(Ca,Mn²⁺)₂(Si₃O₉)	2 - Baryte	3 - Chrysotile	4 - Fluorit CaF₂
2023 -n.c.	2023 -n.c.	2023 -n.c.	2023 -n.c.

5 - Wulfenite	6 -Zircon	7 - Arfvedsonite	8 - Adamite
2023 -n.c.	2023 -n.c.	2023 -n.c.	2023 -n.c.

9 - Cuprite	10 - Andalusite	11 - Eosphorite	12 - Analcime