Los-Nr. 712

1930, Graf Zeppelin 5 c. on 10 c. - 1 b. cpl. with handstamp "MUESTRA", unused, some tiny thins, also pair 15c. one stamp without overprint , the other double, one inverted and pair 25 c., with inverted overprint, one stamp additional normal overprint and  single 25 c. with shiny overprint, most signed