Originally Posted by Andi
... as I guess the pan in his left hand contains glowing charcoal for heating up the hot iron hook.
I am not sure whether you are interested in the image plus
the charcoal pan or the charcoal confirmation per se.
Just for fun, let me here post an image of a 1430 century soldier shooting his gun with the help of a hot iron, as a support illustration to the folowing (Spanish)text:
The glowing iron which served to initiate the combustion would quickly cool down and the artilleryman had to keep it hot, introducing it in a fire or in a little stove of vegetable charcoal
This comes in a digestive book on early firearms by Vladimir Dolinek