Heritage Auction Europe is holding free appraisals every Wednesday from 10:00-16:00 for coins, stamps, postcards, medals, and banknotes, and every Thursday from 10:00-16:00 for gold, silver, jewelry, art, antiques, militaria/antique weapons, and collectibles in IJsselstein. Submissions are open until April 17, 2026, for Stamps and Postcards in June 2026.