A beautiful piece for this denomination.
The second type of the first vintage of the so-called "silvers" - Stanislaw Augustus silver pennies, whose rate was 7.5 copper pennies.
A type distinguished by inscriptions on the sides of the reverse square (with R POL / M D L).
Variant with a larger crown, with a cross.
Variant with a "different" shape of the numeral 1, misclassified as a Prussian forgery by J.Parchimowicz.