Netherlands » 1823 Haarlem Printing Festival (Ag) Medallion for 400 Years of Typography by De Vries. (35mm). Wonderful full rainbow toning with underlying reflective fields. celebrating L.J.Koster and the inventing of the printing press, which was debated strongly by the Germans for Guttenbergs claims on the same subject. From an old collection of printing memorabilia. Rare. - NGC MS 62