Lot 30570 – 1861, 20c. red, horizontal pair with margins ranging

1861, 20c red, horizontal pair with margins ranging from ample to huge, used on piece together with well margined 10c blue, this applied slightly overlapping the pair, showing complete “Ambale ma” pen cancel from Ambalema, very fine. An exceptional two-colour franking, being unique according to our records. Ex Toro Pinzón.