India - 1855 1a Red, Imperforate, Frame 8, SG15
 
Fine example of this stamp in unused and ungummed condition.
Portion of the "Stamp Office" Arms Watermark appears across the lower half of the Stamp. Philatelic Federation of Southern Africa (PFSA) Certificate questions this as a possible forgery but not declared as such. Other "Authorities" consider it genuine. The condition is very fine and is catalogued at £2,000 (2012). Very Scarce.