Malicki's located in Mequon is an experienced, family owned, business, providing the highest quality in jewelry appraisals, diamonds, coins, gold, silver, and platinum. He works exclusively with jewelry retailers providing them with top-notch products. Contact Malicki's today and ask for Mike.. Coin Dealers & Supplies - Diamond Buyers - Diamonds - Gold,Silver & Platinum Dealers - Jewelry Appraisers - Jewelry Buyers