1921 BULGARIA REGISTERED to USA, nice 6.75 Levas franking pays the 4.50 Levas UPU 105 gram letter rate (6 x 0.75 Levas per 10 grams) + 1.5 Levas registration fee, on cover from Roustchouk on OCT18,1921 and addressed to Bellevue-Wash, routing via New-York on NOV 1st, some edge wear from the heavy contents, a rare rate and F-VF est, a scarce rate and F-VF est ($75+ US) (Image)

CV.