In this guide I will outline the numerous silver alloy marks and trade names that have been used throughout the world on antiques and collectibles. Many of these marks can confuse the buyer, dealer or...
Facts and Data about Platinum Platinum is a dense (heavy) hard silvery metallic element, a precious metal used in jewellery, coins, chemical engineering, and a catalyst used in industry and for car...
1943 COPPER PENNY IS IT REAL?? Approximately 40 of the 1943 copper-alloy pennies are known to remain in existence with only 12 confirmed. This notable error probably happened when copper planchets were left...