There are 50 one dollar bills to a strap.
Two bill-ion
200 dollars.
If it is an official mint wrapper it should say on the wrapping. If not you really can't find out without taking on out.
In a Manila Wrapper - 1919 was released on: USA: 5 January 1919
5
I found a picture of a wrapper from the era. It showed the bar was 1 oz.
5.
5 cents
5 kroner converts to a dollar
20
with its wrapper because the heat will stay trapped inside the wrapper