Dont know much about this item but its russian 


Description of 10 RUBLES - ABBA, engraving10 RUBLES - ABBA, engravingAuthor's small-circulation issue, the most modern technologies and equipment, engraving, epoxy acrylate enamel, resistant to fading and abrasion.

The bank coin of 10 rubles is engravedworld legendsabba 1978 stockholm bank pocchh    last one