Indian 25-paisa coin
The 25
 coin,  popularly called Chawanni is a former denomination of the Indian rupee. The 25 paisa coin was worth 1⁄4 of a rupee (1 rupee = 100 paise).
India  | |
| Value | 25 | 
|---|---|
| Mass | 2.83 g | 
| Diameter | 19.05 mm (0.75 in) | 
| Thickness | 1.55 mm (0.06102362 in) | 
| Edge | smooth | 
| Composition | Nickel (1957-1972) cupronickel (1972-1990) Stainless Steel (1988-2002)  | 
| Years of minting | 1957–2002 | 
| Mint marks | Mumbai = ⧫ Mumbai Proof issues = B Hyderabad = * Noida = ° Kolkata = No mint-mark  | 
| Circulation | Demonetized | 
| Catalog number | KM#398, KM#374 and KM#70 to KM#55 | 
| Obverse | |
| Design | State Emblem of India with country name. | 
| Reverse | |
Introduction and Demonetization
    
The 25 Paisa coin was introduced in 1957. Prior to this, the 25 paise coin was known as the "1⁄4 rupee", which was equivalent to 4 annas (1 rupee = 16 annas). On June 30, 2011, the 25 paisa and all lower denomination coins were officially demonetised.
Features
    
- Ferritic Stainless Steel was used to mint the 25 paisa coin.[1]
 - The diameter of the coin is 19 mm.
 - Weight of the coin is 2.83 g.
 - In 1964-1983 the 25 paisa coin was minted in Copper-Nickel.
 
References
    
    
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