There is less and less blanks for old keys. When you can’t find one, the best way remains to cast it :

ClefcorseOriginal on the right, copy on the left.

 

Winter recipe:

3kg of bronze (CuSn12) – 1kg of butane gaz – lot of fresh air- a pinch of charcoal…

45 min in the furnace, is the soup hot enough ? stir, skim and serve at 1150°C
Fusion1

Fusion2