NEW YORK, May 21 (UPI) -- Selected gold, silver and platinum coin prices based on a Gold base price of $273.30 silver base of $5.25 and platinum base price of $360.00. Friday Thursday U.S. Eagle 1 troy oz. 284.25 286.00 U.S. Eagle .50 troy oz. 146.25 147.00 U.S. Eagle .25 troy oz. 74.45 77.00 U.S. Eagle 1-10 troy oz. 31.00 33.00 Canada Maple Leaf 1 troy oz. 284.25 286.00 Canada Maple Leaf .50 troy oz. 146.25 147.00 Canada Maple Leaf .25 troy oz. 74.45 77.00 Canada Maple Leaf 1-10 troy oz. 31.00 33.00 Canada Maple Leaf 1-20 oz. 19.50 19.00 China Panda 1 troy oz. 288.35 290.00 China Panda .50 troy oz. 147.60 151.00 China Panda .25 troy oz. 76.55 79.00 China Panda 1-10 troy oz. 32.80 33.00 China Panda 1-20 troy oz. 20.50 20.00 Burmese Cat 1 troy oz. 287.00 287.00 Burmese Cat .50 troy oz. 147.60 147.00 Burmese Cat 1-5 troy oz. 61.75 64.00 Burmese Cat 1-10 troy oz. 31.95 34.95 Burmese Cat 1-25 troy oz. 15.70 17.00 Silver U.S. Eagle 1 troy 7.15 7.20 90 percent silver bags $1,000 face value pre-1965 circulated U.S. coinage: 4,120 4,200 40 percent silver bags $1,000 face value 1965-70 John F. Kennedy half dollars: 1,500 1,700 Platinum U.S. Eagle 362.00 360.00 Australian Koala 373.70 372.00 Isle of Man Noble 362.00 360.00 Canada Maple Leaf 373.70 373.00 These quotes represent wholesale selling prices as quoted by M.T.B. Bank New York. Retail prices are higher and may vary from dealer to dealer depending on market conditions.  