GREECE: 10 Euro (2011) in silver (0,925) commemorating the XIII Special Olympics World Summer Games Athens 2011 with national Arms and inscription "ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ". Highlight from an event during the games on reverse. Inside slab by NGC "PF 69 ULTRA CAMEO / XIII SPECIAL OLYMPICS / THE EVENT". Cert number: 5774209-076. (KM 242).