Bidspirit auction | Liberia - Pres. Tubman's Visits

Liberia - Pres. Tubman's Visits to Europe - 1958, imperforate proofs of 5c x3, and 10c, 15c x3 in issued colors without flags, top right corner sheet margin blocks of four, full OG, NH, VF, Est. $300-$400 , Scott #368-70, C114-17