Lot
577 
Cameroons, 1915, "C.E.F." and 5s on German Cameroun 5m Carmine & Black, "S" Inverted, right margin single, full o.g., rich colors, bright and fresh, Very Fine, rare with only 100 issued; signed Bloch and Holcombe. SG No. B13a. Scott No. 65a $1,400.