This USPS A Tribute to Space Achievement commemorative souvenir is a limited edition item, with only 2622 out of 10000 produced. The stamp features a brown color with a denomination of 29 cents, and was issued in 1994 in the United States. It has not been gummed, and is ungraded and uncertified. The cancellation type is Bullseye/SOTN, and it relates to the topic of space. This particular stamp has never been used and is in mint condition, making it a must-have for any stamp collector.