Vatican - Sacraments of Christianity ; Confirmation - 20 & 50 Euro - 2006 - Proof Gold Coins - Mint Box & COA - This two coin set is comprised of the 20 and 50 Euro issues from the Vatican in 2006. The 20 Euro coin was minted to proof specifications, has a diameter of 21 millimeters and was struck from 6 grams of .917 fine gold. The 50 Euro coin was also minted to proof specifications, has a diameter of 28 millimeters and was minted from 15 grams of .917 fine gold. Both coins were designed by Maria Angela Cassol and celebrate the sacrament of Confirmation. Total mintage for these pieces was limited to 3,324 coins.