RARE and part of a private collection of Printing memorabilia, this Basel silver medallion is to commemorate 400 years of Book Printing and has the bust of Swiss Printer Johannes Probenius 1460-1527 designed by Antoine Bovy, AU/Uncirculated grade and nice blue/Lilac toning, a wonderful medallion. 41mm diameter. The medallion comes with the original collectors packet who marked this as RR (Rare)