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1 Rupee
| Issuer | Reserve Bank of India |
|---|---|
| Year | 2007-2011 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Technique | Log in to see details |
| Orientation | Medal alignment ↑↑ |
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| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
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| Reverse lettering | 1 रुपया RUPEE |
| Edge | Log in to see details |
| Mint | Kolkata / Calcutta / Murshidabad, India (1757-date) * Hyderabad, India(1803-date) ° Noida, India (1988-date) ♦ Mumbai / Bombay, India(1829-date) |
| Mintage | Log in to see details |
| Additional information |
The 1 Rupee coin returned to stainless steel during this period after earlier experiments with ferritic stainless and cupro-nickel had produced inconsistent results in vending machines and toll systems — a practical problem the Reserve Bank faced as automated fare collection expanded rapidly across Indian cities in the 2000s. KM#331 covers several minting years with production distributed across the Kolkata, Mumbai, Hyderabad, and Noida mints, each identifiable by a mint mark below the date.