'Rose' Mark on the spine of Solingen blades

[Radboud]

Originally Posted by urbanspaceman

In regard to Thomas Gill and sons: where did they learn to forge fine quality blades?

Thomas Gill's father was a maker of fine tools and files, Thomas continued that business before branching out to sword making. He was also quite an innovator so there is a fair chance he was partially self-taught since he would have an excellent understanding of the base metal working skills.