Various currencies that were given to soldiers as their pay for duty. Some have signatures of 48th Highlanders on them.
Italy
When soldiers would return after serving abroad, they would bring back their unused local currency, in part as a memento. Before Italy adopted the Euro, Italy used the Lire.
UK
During World War II, the British Military Authority issued banknote currency for use by service personal.
Germany
The Reichsmark was the currency of Germany from 1924 until 20 June 1948 in West Germany, where it was replaced with the Deutsche Mark, and until 23 June 1948 in East Germany, where it was replaced by the East German mark. Currently Germany uses the Euro.