GREECE: 10 Euro (2011) in silver (0.925) commemorating Special Olympics-Highlight. Obv: Highlight from an event during the games. Rev: Stylized elements from the XIII Special Olympics emblem in Athens, National Arms, value below. Inside slab by NGC "PF 69 ULTRA CAMEO - THE EVENT". Accompanied by its official case and CoA with no "1131". (KM 242).