paperreserve
nounUK /ˈpeɪpə rɪˈzɜːv/
US /ˈpeɪpər rɪˈzɝːv/
Paper money that a bank keeps safe to pay people when they ask for it.
The bank kept a large paper reserve in its vault.
OTHER MEANINGS
2. Extra paper kept in a notebook or printer for later use.
She always keeps a paper reserve in her desk drawer.
3. A supply of paper documents saved as a backup.
The office has a paper reserve of every contract.
4. Money set aside in paper form rather than coins.
The shop's paper reserve helped during the coin shortage.