Cull (heavily worn or damaged) 90% U.S. silver coins in Rhode Island generally sell for their melt value, which is based on the current spot price, typically around 95% to 98% of the silver content. The Washington-Carver commemorative half dollar has the same composition as any other US 90% silver half dollars .36169 pure silver. 1968 Half Dollar 40% silver contains .1479 pure silver. The Roosevelt dime contains .07234 pure silver. The Barber quarter contains .18084 pure silver. The Washington quarter contains .18084 pure silver. The 1943P nickel contains .05626 of pure silver. The 1930’s Canadian quarter is composed of 80% silver ASW (Actual Silver Weight): 0.15 troy oz. The silver content of all 7 coins is 1.14948 pure silver. $102.68 @ spot price 2/23/2026.