Regensburg tinplate, around 1770

On the flag the guild sign of the bakers and in the mirror ownerinitial "E F K" and later dating from 1809. It looks as if the pretzel, the initials and the dating were inserted with brass. Johann Georg Adam Friedrich becomes master in 1769 in Regensburg.Lit. Hintze, Süddeutsch-Band 2, p. 207, No. 1090. The plate is very well preserved and has this beautiful soft tin color. A trampatina. Unfortunately it does not look so good in the pictures! Diameter: 35cm!