This rare German States-Wurttemberg 7 Kr-Error Stamp is a must-have for any serious stamp collector. With its unique variety, this stamp is printed on the back making it a true gem that was issued in the year 1867 in Germany & Colonies. It features an attractive green color and has never been hinged, making it a high-quality and valuable addition to any collection. The cancellation type is none, and it is uncertified, but this stamp speaks for itself in terms of its beauty and rarity. Whether you are a seasoned collector or just starting out, this stamp is a great investment that will only increase in value over time. Don't miss out on the opportunity to own this piece of philatelic history.