The Swaziland 1889 6d blue overprinted on the earlier Transvaal 6d blue,  a superb unmounted mint block 4, centred slightly to the bottom but otherwise free of all faults. Stanley Gibbons # 6 and catalogued at £180.00

For similar offers of other earlier Swaziland, please go the the Swaziland section of my ebay shop.

Ref: (2025/02/08 #02)