cover 25Kr. greyish violet (2) affixed to front of 1875 (26 Dec.) XU5 (opened out for display and small peripheral faults) registered to France (30.12 arrival), reverse bearing 1874 3Kr. green (2), 5Kr. pale red and 10Kr. blue, all cancelled by "ZAGREB-AGRAM" c.d.s. and showing a variety of postal and transit markings including circular framed "PREPORUCENO/Recommandirt" and unframed "Chargé" h.s. A lovely four colour franking of this rare combination, the latest date of those recorded. Photo in colour