This rare and unique 1951 Germany Sc#686 30pf stamp features the portrait of the renowned physicist Roentgen, who was a Nobel Prize winner. The stamp is in a VF (Very Fine) grade and has been handstamped with a cancellation type. It is a postage stamp that was issued in Germany and colonies, and it has a beautiful blue color that makes it stand out. The stamp is perfect for collectors who are interested in science and physics, and it is a great addition to any stamp collection. It has been uncertified, and its denomination is 30pf. The year of issue is 1951, and it is a postage stamp that was used. This rare and unique stamp is a great find for any collector who is looking for a unique item to add to their collection.