Michael's own interests and area of greatest knowledge are in Byzantine coinage. He personally collects Byzantine gold solidi and his knowledge of the Byzantine empire is extensive and deep. Michael is also one of the author's early mentors, often talking with him long distance for an hour or more when the author lived in the middle of the Lassen county sagebrush country, hundreds of miles from the nearest ancient coin dealer. Michael's address is:
M and R Coins and Stamps
7226 College Dr. Suite 150
Palos Heights, IL 60463-1145
Phone: (708) 420-1445 Similarity of digits in phone number and zip is coincidental, not a typo.