Serbia, 1869, 1pa pale olive, imperforate, third printing, showing plate flaw in value tablet, o.g., wide margins all around, bright and fresh, Very Fine, a magnificent example of this classic rarity, with normal shade single with same plate flaw for comparison, ex Kardosch; with 2002 Velickovic certificate. Michel No. 9Bc  Estimate $5,000 - 7,500. REGARDED AS THE RAREST STAMP OF SERBIA, ONE OF THE FINEST OF THE 10 KNOWN UNUSED EXAMPLES. $0 (Image)