Private Banks of the Straits Settlements
Constantinople Estate, Johore, 25 Cents, 1878, serial number 100, green, star and crescent at top centre, manuscript signature at low left, printed by the Al Sa'aidi Press in Singapore, in PMG holder 30, very fine, amongst only a handful of examples in private hands, exceptionally rare
TBB unlisted, Pick unlisted, KNB 1 S$10,000-S$15,000
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This is the KNB plate note