AUSTRIA 1875 - 03+4+4/I: 5s rosso+10s azzurro tre esemplari da "COSTANTINOPEL 25/2" 1875 per Lione
1875 - VI issue: 5s red, 10s light blue, both rough print, and 10s light blue thin print 2 specimen, from "COSTANTINOPEL 25/2" 1875 to Lyon. Rare combination of twin values of two different printings. Certificate E. Diena (Unificato 3+4+4/I - € -)
