cover 35pa. green (perf. 9½x12) together with 1872-73 second printing 10pa. greyish brown and 25pa. rose (both perf. 12), affixed to 1873 (24 Feb.) entire registered to Vienna (28.2 arrival), all tied by two "BEOGRAD" c.d.s. showing framed "RECOMM." and slanting unframed "PD" adjacent; 10pa. affected by filing fold, however a very pretty franking, the 5pa. underpayment apparently having been overlooked. M.16IC, 12IIA, 15IIA. Photo in colour