Attica Auctions, Coin Rush IX, Los 37 World Coins - A to G Bulgaria, People’s Republic, 1946-1990. Lot of 3 coins comprising Proof 2 Leva, 1981, Madara Rock, Sofia mint, 10.70g (KM121); Proof 2 Leva, 1986, World Cup Soccer, Sofia mint, 11.00g (KM155) and 2 Leva, 1987, XIII World Rhythmic Gymnastics Championships in Varna, Sofia mint, 11.17g (KM158). About uncirculated proof (3).