28, 28A, 29 (38-40) 1898 2½ on 2a dull blue Q Victoria stamp of India overprinted "Zanzibar" and surcharged in red, cplt (3) with SG surcharge Types 3-5 (Scott Types a-c), a rare and undercatalogued set as 28A (39) only occurs 10 times in the setting of 60, SG Type is a small second "z" variety.
