Los 297
1864, 15 so. brown, horizontal strip of 3, pair and 4 singles together with 5 so. rose, all tied by clear cds. "CONSTANTINOPLE 16/12" to cover front of large size registered quintuple-rate letter to Genova; somewhat soiled, light cover creases affecting one stamp of the strip; a remarkable and rare franking, signed A. Diena and Fiecchi with certificate (1959)
