Found In A House Along With Lots Of Old Maritime Artifacts

Knot gauge/ speed log. Basically, a boat speedometer. The propeller looking object is in the water, spinning as the boat moves, the rope spins and moves the dial, letting you know the speed as indicated on the dial.
#10 The expandable opening for a missing fabric purse.
It apparantly was valid till the 1st of April 1922.
That sort of Money was issued in lots of communities during the times of Hyperinflation in Germany till 1924-ish.