March 18: Danbury Coin Show, Danbury Crowne Plaza

April 7: WHUD Kids' Fair, Westchester County Center

About Us

We buy and sell coins among many other items. Our USPAP appraisals are backed with thirty years of numismatic experience. We work with coin collectors, dealers, auction houses, historical societies, and educational institutions.

Marc Rosner Portrait

Marc Alan Rosner  A Lifetime of Learning

I hold a B.A. in Historical Archaeology from Wesleyan University, and an M.A. in Science Education from Columbia University. I have over 30 years of experience collecting and dealing in rare items, and enjoy meeting people and hearing stories about the things that they have. I publish and write articles and books on science and numismatic education.

Read: Building a U.S. Style Collection

Marc Rosner Portrait

We Proudly Support of Local Youth and Education

We are proud to have had the honor of donating goods and services to the following institutions and charities: The Hastings Historical Society, the Dobbs Ferry Historical Society, the Tarrytown Historical Society, the Hastings Education Foundation, the Ardsley Education Foundation, and the Village of Hastings-on-Hudson Recreation Department.