France
Republic gold Proof 500 Euro (5 Ounce) 2010, KM1710, Gem Cameo Proof. An unusual rectangular issue featuring a portrait of Pablo Picasso and one of his artworks, Troiseme Affiche Vallauris, Faune. This piece comes from a tiny mintage of only 99 pieces. AGW 4.9942 oz.
Estimate: 6500-7000 USD