The Goldsmith and Banker (Ma)theis von Speyer (Speier) was Mintmaster in Cologne (City), Germany, from 1474 to 1475. Lit.:
Alfred Noss, Die Münzen der Städte Köln und Neuss: 1474-1794 (1926), pp. 3, 47-49; Wolfgang Scheffler, Goldschmiede Rheinland-Westfalens
- Aachen - Köln (1973) n. 553, p. 424.