New entry Jan. 2026

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

Image	Country	Year	Subject	Yvert	Set

Minerals, FDC and Postcards from 2018

Djibouti Republique

NEW

Djibouti Republique

2022- n-c.

Y&T -

NEW

Djibouti Republique

2022- n-c.

Y&T -

Djibouti Republique

2022 - n.c.

Y&T -

NEW

Carnelian

Djibouti Republique

2022 - n.c.

Y&T -

NEW

Minerals of the world

Djibouti Republique

2022 - n.c.

Y&T -

NEW

Djibouti Republique

2022 - n.c.

Y&T -

Uraninite

NEW

Djibouti Republique

2023 - BF n.c.

Y&T -

Wulfenite

NEW

Djibouti Republique

2023 - BF n.c.

Y&T -

Wulfenite

NEW

Djibouti Republique

2023 - BF n.c.

Y&T -

Guinea

NEW

Guinea

2018 - n.c.

Y&T -

NEW

Guinea

2018 - n.c.

Y&T -

NEW

Guinea

2019 - n.c.

Y&T -

NEW

Guinea

2019 - n.c.

Y&T -

Various minerals

NEW

Guinea

2020 - n.c.

Y&T

Amazonite

NEW

Guinea

2020 - n.c.

Y&T - BF

Azurite

NEW

Guinea

2021 - n.c.

Y&T -

Azurite

NEW

Guinea

2021 - n.c.

Y&T -

Azurite

NEW

Guinea

2021 - n.c.

Y&T -

Guiné-Bissau

NEW

Guiné Bissau

2019 - n.c.

Y&T -

NEW

Guiné Bissau

2019 - n.c.

Y&T -

NEW

Guiné Bissau

2021 - n.c.

Y&T - BF 1471

NEW

Guiné Bissau

2021 - n.c.

Y&T -7832-7836

NEW

Guiné Bissau

2021 - n.c.

Y&T -

NEW

Guiné Bissau

2021 - n.c.

Y&T -7332-7336

NEW

Guiné Bissau

2023 - n.c.

Y&T -

NEW

Guiné Bissau

2024 - n.c.

Y&T - n.c.

Maldives

Minerals

Shells

NEW

Maldives

2017- n-c.

Y&T - 5954-5957

Mocambique

Museum in Berlin

Emerald

NEW

Mocambique

2018- n-c.

Y&T - BF 1247

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

2020 - n-c.

Y&T - BF 1528

Siderite

Torbernite

NEW

Mocambique

2020 - n-c.

Y&T - 8802-8805

Niger

Turquoise - Azurite - Amethyste - Malachit

NEW

Niger

2021- n.c.

Y&T - 5978-5981

Paudrettite

NEW

Niger

2023- n.c.

Y&T - BF 1992

Lindgrenite

Struvite

Jalpaite

Harmotomo

NEW

Niger

2023 - n.c.

Y&T - 9233-9236

Nederland - Hollande

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

2024 - n.c.	2024- n.c.	2024 - n.c.	2024 -n.c.
	Need Acq		NeedAcq
1 - Proustite	2 -	3- Brasilianite	4 -
2024 - n.c.	2024 - n.c.	2024 - n.c.	2024 - n.c.
Need Acq	Need Acq		Need
5 -	6 -	7 - Alabandite	8 - calcite
2024 - n.c.	2024 - n.c.	2024 - n.c.	2024 - n.c.
		Need Acq
9 - Benitoite	10 - Cordierite	11 -	12 - Aquamarine

Osterreich - Austria

2024

Official customizations

S.Tomé & Principe

NEW

S.Tomé & Principe

2019 - n.c.

Y&T - BF

NEW

S.Tomé & Principe

2019 - n.c.

Y&T - BF

NEW

S.Tomé & Principe

2019 - n.c.

Y&T - BF

NEW

S.Tomé & Principe

2019 - n.c.

Y&T - BF

NEW

S.Tomé & Principe

2020 - n.c.

Y&T - 7008-7011

NEW

S.Tomé & Principe

2020 - n.c.

Y&T - 7008-7011

NEW

S.Tomé & Principe

2021- n.c.

Y&T - BF1634

NEW

S.Tomé & Principe

2021 - n.c.

Y&T -

NEW

S.Tomé & Principe

2021 - n.c.

Y&T -

Sierra Leone

NEW

Sierra Leone

2019 - n.c.

Y&T -

NEW

Sierra Leone

2019 - n.c.

Y&T - 9454-9457

NEW

Sierra Leone

2023 - n.c.

Y&T - BF 2687

NEW

Sierra Leone

2022 - n.c.

Y&T -

NEW

Sierra Leone

2022 - n.c.

Y&T - n.c.

NEW

Sierra Leone

2023 - n.c.

Y&T - n.c.

NEW

Sierra Leone

2025 - n.c.

Y&T - n.c.

Tchad

NEW

Tchad

2020 - n.c.

Y&T - BF

Amethist

NEW

Tchad

2021 - n.c.

Y&T -

NEW

Tchad

2022 - n.c.

Y&T -

NEW

Tchad

2023 - n.c.

Y&T -

NEW

Tchad

2024 - n.c.

Y&T -

Togo

Analcime

NEW

Togo

2019 - n.c.

Y&T -

Analcim

NEW

Togo

2021 - n.c.

Y&T -

NEW

Togo

2022- n.c.

Y&T -

NEW

Togo

2023- n.c.

Y&T -

NEW

Togo

2024 - n.c.

Y&T -

FDC

NEW

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2025 - Property of Odino Grubessi & Mario Ramus