WORLDWIDE: UNICEF coin set, 1983, UNICEF International Year of the Child Thirty-Piece silver Proof Collection, dated from 1979 to 1983, housed in a custom leatherette case with certificate of authenticity, including thirty different countries, from Bolivia to Zambia; a wonderful set, with all pieces Gem Cameo Proof, promoted by the American Express Company, set of 30 pieces.
Estimate: 1,400-1,800 USD