Spring-powered dart firing game
Spring-powered dart firing game.
This is not an airgun but the game seems to have a lot in common with this gallery game based around a Tell 1 pistol:
It is missing its disk target and fires bristleless steel darts, possibly to create a game based on a form of bingo.
With thanks to Eberhard for these pics (and thanks to John G for facilitating):
It appears to be illustrated here as a Tell 'zugbolzen schiessapparat':