Very rare, minted in an unknown mintage, technological sample.
Struck in cupro-nickel, with a convex inscription SAMPLE.
Struck with a different reverse stamp than the known trial in nickel (differing in the arrangement of the trial inscription).
Mint, with a mirror background. On the reverse, a light tarnish from an old type classifier. Beautiful detail.
Copper-nickel, diameter 25 mm, weight 7.49 g.
