1919, 3 F - 5 M, (12) complete set on envelope, consular postage issue, opt LEVANT in red, very fine cancel KONSTANTINOPEL, signed S. Mikstein,  certificate Jungjohann, genuine, very rare with cancel, all signed inside Jungjohann BPP, XF!. Estimate 1.800€. (Image)

Estimate € 1800