French Guinea, 1892, 75c. Deep Violet on Orange, used with 1892, 1c. black and 20c. red, all tied by two strikes of Conakry (12.4.1904) cds on registered cover to Berlin, Germany, "R" registry handstamp, forwarded upon arrival, couple perf flaws, F.-V.F. and scarce franking. Scott No. 16 + 1, 9  Estimate $100 - 150. $0 (Image)