2006, 50 Years of ONGC, Proof set of 2 coins, 50 rupees and 5 rupees, Kolkata mint, RB 307

2006, 50 Years of ONGC, Proof set of 2 coins, 50 rupees and 5 rupees, Kolkata mint, RB 307, in original mint packing.

Sold for ₹6,700

Auction: Auction 51 · Classical Numismatic Gallery · 2026-04-16 · Estimate: Rs. 4,000-5,000

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