This set of two stamps from Trieste Zone B in Yugoslavia is a must-have for any serious stamp collector. The stamps are in mint never hinged (MNH) condition and have their original gum intact. The overprint states VUJA-STT UPU 75th Ann, commemorating the 75th anniversary of the Universal Postal Union. The set is from 1945 and features Sc# 15-16, both XF (Extremely Fine) grade. Although the set is uncertified, the quality is evident in the stamps themselves. Add this rare, high-quality set to your collection today.