What is a deutsche mark?

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...

Since 2002 the only legal tender currency in Germany has been the Euro. The currency before that (1948-2002) was called the Deutsche Mark (DM), which was generally referred to in English as the...

The Deutsche Mark was superseded by the Euro in 2002.

It was superseded by the Euro in 2002 and is no longer legal tender.

That really depends on the year the coin was minted and the condition of the coin.