Examples of the type

Picture 1 of the example of 1 Kopeck - Catherine II
© Grinya (CC BY-NC-SA)
Private collection
1766 ММ – (en) C#57.4; Krasny Mint, Moscow
Redated twice - 1763-64-66. Overstrike on 2 Kopecks
Picture 1 of the example of 1 Kopeck - Catherine II
© Grinya (CC BY-NC-SA)
Private collection
1790 ЕМ – (en) C#57.2; Ekaterinburg Mint
Picture 1 of the example of 1 Kopeck - Catherine II
© Grinya (CC BY-NC-SA)
Private collection
1790 ЕМ – (en) C#57.2; Ekaterinburg Mint