This envelope is a great addition to any stamp collector's collection. It features a colorful multi-design stamp from Poland's 1951-1960 issue, with a machine cancellation type. The envelope was sent to Connecticut in 1956 and is in ungraded condition. It is a pre-decimal currency and bears the topic of postage. The envelope is certified as uncertified and is a must-have for any collector interested in European stamps, specifically those from Poland.