KTKnownTreasureNumismatics · Notaphily
KT

KnownTreasure

A structured reference for Indian coins and banknotes — signatures, varieties, and provenance, built from real specimens.

CatalogueLearn

Catalogue

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Republic India NotesIndian ₹1 Notes — Complete Collector's GuideSignatories, prefixes, insets, and varieties of the Indian one-rupee note, with a growing reference catalogue.

Learn

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referenceComplete Finance Secretary Signature ListThe Finance Secretary signatures found on Indian ₹1 notes, with the years each was in office.reference₹1 Note Prefixes ExplainedHow the prefix and number panel work on Indian one-rupee notes, and why they matter to collectors.reference₹1 Note Insets ExplainedWhat inset letters are, where to find them, and how they distinguish ₹1 note varieties.guideHow to Identify a ₹1 Note VarietyA step-by-step method for placing an Indian one-rupee note by signatory, inset, prefix, and year.

Chronicles

Chronicles →
₹1 NotesIndia's ₹1 Note — The Small Note with a Remarkable HistoryBorn in wartime, discontinued twice, and still the only Indian note issued by the Government rather than the RBI.

Every entry is built from a specimen in hand or a named standard reference, and photographed from the actual object. Where a figure isn't verified, it isn't published. More on our method →