This is a large aluminum mold from Meisterzinn from Nurenberg. It holds a 2 piece mortar as well as a soldier loading it and cannonballs.
Name producer: Meisterzinn
Used for: casting pewter figures
Material mold: Aluminum
Figure type: half round
Figure size: 40 mm or 1 5/8 inch
Condition: used / actual product condition may differ a little from pictures.
Figure not included. Please check video attached on how to use mold for casting at home! Also check our article: Vintage Stuff Manmade : Toy Soldiers