on piece 10p. orange and 40p. blue, affixed together with Belgrade Printing on pelure paper 10p. deep orange and 40p. ultramarine, tied to large piece addressed to Kragujevac by framed "NAPLACENO" and "PREPORUCENO" h.s., portion of indistinct despatch c.d.s. at top. A recent discovery and without doubt the most important piece of the Prince Michael issue and classical Serbia. Unique. M.1, 3, 4x, 6x. Photo in colour