I have 35 years of experience in the field of numismatics and sports memorabilia with specific knowledge in the areas of gold, silver, platinum, rare coins, currency, sports memorabilia, collectibles and sports cards. I have published on such topics as appraising personal property such as gold, silver, medals, unique objects, autographs, baseball cards, Olympic medals and IRS appraisal requirements. I have testified on sports memorabilia, sports cards, gold, silver, rare coins, currency and baseballs.