Coin and Paper Money Collecting/.999 USPS Medallions 1971+
D wrote at 2010-10-04 22:53:49
According to the Memphis Daily News some of these coins are going for $500 or more each. You may want to double check before running to eBay.
J wrote at 2011-09-11 13:48:23
A TRUE EXPERT WOULD DO A LITTLE RESEARCH BEFORE RUNNING OFF AT THE MOUTH (THESE ARE VERY HARD TO COME BY)
PERSON ASKING QUESTION HAS MORE KNOWLEDGE ON THIS SUBJECT THAN THE "SELF-PROCLAIMED -EXPERT" .
SOME OF THIS SERIES ARE PRETTY VALUABLE
Allan Baumgartner wrote at 2015-08-24 17:17:36
Neil Berman's Answer is NOT Correct
They were issued and sold by the US Post Office.
At least some, the American Revolution issue of 1972 for example was produced by the Philadelphia Mint.
They are Part of the POSTIQUE series a US Post Office Trademark.