1978 Mauritian one-rupee coin

Unique 1978 Mauritian one-rupee coinUnique 1978 Mauritian one-rupee coin1. This unique coin was struck on an unknown blank, making it a real gem for keen numismatists.

Key features:

Notable anomalies: 

2. This coin is distinguished by its reduced diameter: 28.72 mm instead of 29.6 mm.

3. Its reduced weight: 8.7 g instead of 11.7 g

4. Its variable thickness: Left = 1.7 mm | Right = 1.46 mm, instead of 2.2 mm

5. The edge shows significant differences compared to standard coins from the same year: a smooth edge instead of a fluted one.

6. Historical significance: 1978 marks the last year in which the portrait of Queen Elizabeth II was minted on Mauritian coins, which enhances its appeal to collectors