3 Covers sent by private post ONDA, franked with postage stamps cancelled with attractive marks illustrated with GREYHOUND, very attractive! (Image)

10 Covers carried by private post ONDA, all with meter stamps illustrated with GREYHOUND, interesting! (Image)

Stockbook with collection of stamps in blocks of 4, all MNH and of excellent quality, no duplication, with many interesting sets, Yvert catalogue value Euros 1,750+, good opportunity! (Image)