1867/1920, group with four specialities resp. rarities with mint never hinged variety IV unused (FA Nakri A.I.E.P), mint never hinged variety 173IC (FA Nakri A.I.E.P), mint never hinged variety 377 DDK used (FA Nakri A.I.E.P) and mint never hinged variety 735F unused (overprint variety "337" instead of "1377", FA Englert), good condition
