Gentleman and Swimmer

Rectangular, in book form, featuring incised decoration with brown wash of a gentleman in Top hat standing on diving board requesting a light from a swimmer, who hangs from board's edge while in water below, inscribed "Bitte!" at bottom. Reverse features same gentleman, having received his light, as he is flipped into air after swimmer has released board's edge, inscribed below "Danke!". Two lids at top and bottom, hinged on metal pins. Striker on flat side.