Tanganyika: 1917-21 overprinted G.E.A. 75c the two listed shades SG 52 & 52a used. SG 52 (left hand stamp in the scan) has a small surface rub top right per scan, otherwise good condition. See scan 2 for the backs of the stamps. Cat. £40 (SG 'Part 1' 2023). 

POSTAGE FOR THIS ITEM: (uninsured): UK 1st class £1.20, second class £0.90, Europe & overseas £2.50. Packages with total value over about £50 need to be insured, except by prior agreement. Benefit from free postage for additional items, subject to weight and maximum value. A certificate of posting will always be obtained by me for every package posted. I always try to use obsolete commemorative or definitive stamps when I can, but please note this is not usually possible for registered mail. For anything other than low-weight unregistered postage, particularly multiple purchases, please wait to receive a combined invoice from me sent soon after all lots for the day have ended.