1917 Ovpt war issue: lot including approx. 70 different stamps, not all sets complete. (ISFILA 732+744+754+750+751+746+755+761/6+769/72+775+782/86+794/96+810/812+815/16+818+824+834/837+841/46+853/56+851/52+857+861+858/860+766/77+776/80+789/91+803/07+809....).