Deutsche Bundesbank was created in 1957.

Deutsche Bundesbank

Dieter Duwendag has written:

'Macht und Ohnmacht der Bundesbank' -- subject(s): Central Banks and banking, Deutsche Bundesbank

Heinz-Peter Spahn has written:

'Bundesbank und Wirtschaftskrise' -- subject(s): Business cycles, Business enterprises, Deutsche Bundesbank, Economic conditions, Finance, Monetary policy

Assuming it's a recent-date bill, it was worth about $25 at the time Germany switched to euros in 2002.

If it's older than the 1980s please post a new question with the specific date.

FWIW, "Deutsche Bundesbank" simply means "Federal Bank of Germany" so that's a given for any German bill dated 1950 or later.