The invention relates to a device (10, 50, 60, 200) for handling notes of value. The device (10, 50, 60, 200) comprises a radio unit (20) for sending data from the device (10, 50, 60, 200) to a service unit (22) via mobile radio (24). Further, the device (10, 50, 60, 200) has a safe (12, 202) in which at least one cash cassette (14a, 14b, 100, 204a, 204b) is accommodated. The cash cassette (14a, 14b, 100, 204a, 204b) comprises an authentication data memory (18a, 18b, 106, 208a, 208b) in which authentication data for the unambiguous authentication of the cash cassette (14a, 14b, 100, 204a, 204b) by the service unit (22) are stored. The radio unit (20) transmits the authentication data and stock data with information on the current stock of notes of value in the cash cassette (14a, 14b, 100, 204a, 204b) to the service unit (22) via mobile radio (24). A further aspect of the invention relates to a cash cassette (100, 204a, 204b) for holding notes of value.