banknote; bill; note
「お札」 has another reading with different meanings.
amulet or talisman issued by a Shinto shrine or Buddhist temple
財布の中に御札がない。
There are no bills in my wallet.
千円の御札を崩してください。
Please break this thousand-yen bill.
御札を数えて確認した。
I counted and verified the bills.