18 var-20 var footnoted (23D-25D) 1896 2½a on 1a plum Q Victoria stamp of India with "Zanzibar" overprint surcharged in black, SG surcharges Type 3-5 (Scott Type a-c) cplt (3) each with VARIETY - small second "z", a rare and undercatalogued set as 19 (24) only occurs 10 times in the setting of 60.
