These are One Rupee coins of 1988 and 1989 from the Noida Mint, struck in copper-nickel. They are part of the definitive One Rupee series that Indian mints produced in large numbers through the late 1980s, and the examples shown include a sharp, lightly circulated 1988 piece.
Even for common-looking definitives, collectors chase particular mint-and-year pairings, and specific Noida-mint dates are ones enthusiasts single out. Because these coins saw everyday use, examples that survive with sharp lettering and clean surfaces are much scarcer than heavily worn ones.
The value of any such coin turns on the exact year, the mint and its grade — an extra-fine or better example is worth more than a circulated one. Coinbazzar lists verified 1988 and 1989 Noida-mint One Rupee coins so you can inspect the date, mint and condition before buying.
