Table souvenir medal

Coin 1 ruble USSR

Material: presumably stainless steel
Diameter: 3,9 in. (10,0 cm)               
Thickness: 0,25 in. (0,65 cm)
Weight:  0,82 lb. (375 grams)
Country of manufacturer - USSR
Year of manufacture - supposedly 1980s
Medal without case.

 Table medal (or souvenir coin) is made presumably in the 1980s artisanal (non-industrial) method in the city of Khabarovsk at the plant "Energomash".
 The medal (souvenir coin) is large in size and weight.