50th Auction Anniversary Auction - Day 3

Spanische Post in Marokko: 1918, 25c. blue, 4pts. violet-black (2) and 50c. greenish blue (4), 10.25
1918, 25c. blue, 4pts. violet-black (2) and 50c. greenish blue (4), 10.25pts. rate on large sized insured letter 900pts. of "BANQUE D'ETAT DU MAROC" from "TANGER 4.1.18" to "Credit Algerien"/Paris, some inevitable postal wear. Very rarely seen commercial mail, especially the 4pts. value is extremely rare on cover! Edifil 7, 12 (2), 52 (4)