CATS ON STAMPS STUDY UNIT 

Prepaid postal card with indicium, Australia 1996

Endangered Species - Florida Panther

on a pane of 20 different stamps -  May 19

Stamps can have an important message, like spay or neuter your pets.

Love Kitten - January 19

Love of Cats


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Learn about all kinds of cats: domestic, wild and heraldic


Discover authors and artists whose subjects are cats


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Many types of stamps exist, like this imperforate leopard.

PUPPETS: HENRIETTA PUSSYCAT AND DANIEL STRIPED TIGER

WELCOME TO THE

CATS ON STAMPS STUDY UNIT (COSSU)

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Last update:  June 20, 2026

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BOSTON 2026 WORLD STAMP EXPO

MISTER ROGERS ENCORE ISSUE AND

SOUVENIR SHEET WITH TWO NEW CAT STAMPS 

May 24, 2026, Boston Convention Center

catmews1@yahoo.com

Collecting cats on stamps also includes pictorial postmarks.

NEW DOMAIN! NEW LOOK!

catstamps.info, formerly catsonstamps.org

Thinking of You (in a set of five) - August 11

Written by Cats on Stamps member Molly Hunt!

Reasons to join the

Cats on Stamps Study Unit

Art of the Skateboard

Pre-Colombian Jaguar  - March 24


United States Postal Service - 2023

was a banner year for CAT stamps!