Corinphila Auction 291-297 Day 4

1937/41: Airmail National Exhibition issue 2 c. up to 1.40 G. in mint blocks of four showing red surcharge SPECIMEN, airmail Boundry Treaty 15 c. on 20 c. with inverted overprint as well as a commercial envelope from Grecia to Bremen in Germany, this one censored by the allied military administration and the OKW. all in good condition.