Rare Sterling Silver 1984 UN 5-Piece Presentation Coin Set w/Wood Case Sec. Here we are offering a rare set of presentation coins given by Javier Perez De Quellar Secretary General of the United Nations in 1984. The coins are all in pristine condition, the outer wood case shows minor marks from storage. Each coin measures 1.5 (38mm) Hallmarked on the edge as Sterling Silver. Approx 23.8g weight per coin. HST 15% – Nova Scotia HST 13% – Ontario, New Brunswick, Newfoundland and Labrador. GST 5% – Alberta, Manitoba, Northwest Territories, Nunavut, PEI, Quebec, Saskatchewan, Yukon, British Columbia. Estimated Weight —————————1.25KG.