The proprietor of the firm, László Nudelman is a member of the International Association of Professional Numismatists, one of the most well-known experts in numismatics in Hungary. The IAPN founded in 1951, is a non-profit organisation of the leading international numismatic firms. The objects of the Association are the development of a healthy and prosperous numismatic trade according to the highest standards of business ethics and commercial practice. Our firm in accordance with the IAPN membership provides appropriate professional and ethical standards.