10 Euro (2011) in silver (0,925) commemorating the XIII Special Olympics. Highlight from an event during the games on obverse. Inside slab by NGC "PF 70 ULTRA CAMEO / XIII SPECIAL OLYMPICS / THE EVENT". Cert number: 5774209-064. Accompanied by its official case of issue by the Bank of Greece and CoA with no "1130". (Hellas CE.44).