This is a set of Zanzibar Provisional Stamps from 1897. They are SG 175-177, the 2 1/2 in RED on 4 Annas Green.  This set contains ALL 3 TYPES. 

These beauties are RARE and difficult to find!  They are also in Mint Very Fine Condition with Original Gum!  They are valued at L475

This lot is over $100 USD so I will ship it using Priority Mail in the US, and Registered Mail overseas.  This is to ensure that it reaches you in a safe and timely manner, and includes tracking!