Several of us here are, or were, stamp collectors as well as collecting coins or paper money and are probably familiar with these stamps. Over the years there have been exactly three (four if you count pairs as separate) United States stamps that have featured United States coins or paper bills. The two 10 cent stamps here commemorated Commerce and the Banking Industry. The 29 cent stamp commemorated Numismatics. The 13 cent stamp was an experimental issue which was about 2/3 the size of a usual stamp. It was an experiment to test smaller sized stamps in an effort to save printing costs. The test went nowhere. The coins are easy enough to recognize; I'll leave it up to the paper collectors to identify the bills.
They're made out of some kind of metal. Suppose to be the metal that the coins were made of, nickel, but I don't think so. They measure about 3"x 1 1/2" x 1/8" thick.
They're called Numis stamps. I found them on ebay a while back but haven't seen many since then. If you find them, you can usually pick them up pretty cheap. I think they came out around the 70's.
The owner of this site - http://www.coincoll.martiny.nl/numistamps/index_numistamps.htm - has found quite a few stamps worldwide that depict coins. A few examples:
This is somewhat appropriate for this tread…. It’s a stamp on a coin. It’s a 1851 Canadian 3 pence stamp image on a gold commemorative 3 cent coin
Add the "Penny Black" and that might be it for "stamps on coins"... One of our club members did a talk on "Coins on Stamps" not long ago. We did an exhibit based on that talk at the last are coin show. It's an interesting segment of both coin and stamp collecting.
Aside from not being able to read the site, there are quite a few good pictures. It seems the rest of the world is far ahead of the U.S. in regards to putting coins on stamps.
First, welcome to the forum. It's nice that other countries are represented here. You're obviously into stamps (per your avitar). Do you also have coins? The image on the Credit Union stamp isn't a real U.S. coin; the coins on the Savings and Loan stamp are far too small to tell if they're the real thing or not. But good finds anyway, I missed them when I was looking for examples.
