cover 10pa. reddish brown (perf. 12) and 1869-70 first printing 50pa. green (perf. 9½x12), affixed to 1877 (June) envelope registered to Hungary (10.6 arrival backstamp) and cancelled by single bilingual "BEOGRAD/BELGRADE" c.d.s., framed "RECOMM." struck adjacent; horizontal filing fold well clear of adhesives. A rare combination of values. M.12IVA, 18IC. Photo