cover PO ODLAZKU POSTE: 1871 (8 May) XU5 registered to Pest (9.5 arrival d.s.) bearing 15Kr. yellow-brown cancelled by "ZAGREB-AGRAM" c.d.s. (Ryan 2145, 40p.), showing a very good strike of the framed "PO ODLAZKU POSTE" h.s. (Ryan 7, 800p.) adjacent together with circular "PREPORUCENO-RECOMANDIRT" h.s. in red (Ryan 7, 500p.). Fine and appealing. Photo