Possibly the oldest hand cannon dated 1346

[Marcus den toom]

Right you are Nando.

I will also qoute Michael from his thread i posted the link of earlier about the mixture of Roman and Arabic numerals: "Also note a frequently employed mixture of the Latin and Arabic numerals in the early 15th century; attached is the sample of the founding inscription of the Church of the Holy Spirit (Heilig-Geist-Kirche) in Landshut, Lower Bavaria, where the founding date 1407 is composed of the Roman m for the cypher 1 while the rest is written in Arabic numerals!"