1990 India - ₹1 - Experimental Steel Strike Coin

★ Experimental Steel Strike ₹1 Rupee ★

🇮🇳 1990 India – 1 Rupee | Experimental Steel Strike | High Grade (Estimated MS65+) | Rare Transitional Mint Issue

A fascinating experimental Indian ₹1 Rupee believed to be struck on an early stainless-steel planchet during the transition period from traditional cupro-nickel coinage. The coin displays an polygonal experimental fabric along with distinctive “EXPT” experimental punch marks, indicating its status as a mint trial or testing issue.