Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

1874/1900: Covers (3) and a front with 1873 overprinted 25 c. grey on front of cover (signed Graus), 1874 cover to Santander bearing 1873 25 c. grey (4, in two pairs) and a 50 c. brown pair mailed via British P.O. in Puerto Rico and London; 1875 fragile cover bearing 1873 1 peseta brown single franking to Spain via London and 1900 US occupation cover with complete regular issue less 2 c. on 2 c. used from Mayaguez. One or two imperfections but a scarce group.