Historical information on the pistol and the gunmakers Henry Tatham and Joseph Egg
The London gunmakers, Henry Tatham and Joseph Egg, made this flintlock pistol around 1818. This model served as a master for my replica.
Picture from "Feuerwaffen" by Richard Akehurst.
In the book "Der neue Støckel" by Eugène Heer, the following can be found in Volume 2, page 1267 on Henry Tatham or Tatham & Egg respectively:
this can be found on Joseph Egg in Volume 1, page 335: