15 Fr. university 1949 as a single franking on First day card with cancellation "SULZBACH (SAAR) d 2. 4. 49", photo expertize Ney VP (2016) : "the stamp on the correctly franked card is in perfect quality, the card shows slight transport traces. ", Michel 4. 000.- - one of the rarest First Day Cover covers of the German postwar Philately!