VF/XF some slight discoloration 

Ekaterina II (1762-1796) Catherine the Great
CompositionCopper
Weight47.3 g
Diameter42 mm
Thickness4 mm
ShapeRound
OrientationMedal alignment ↑↑
DemonetizedYes
ReferencesC# 59.1, C# 59.3
Obverse
Crowned monogram of Ekaterina II divides date within wreath.

Lettering: 
17 88
I E II

Reverse
Crowned double-headed eagle, initials divided below.

Lettering: 
Е М
ПЯТЬ ∙ КОПѢЕКЪ

Translation: Five Kopecks

Edge
Reticulated