During its turbulent history Germany has had many different varieties of marks so without more information it's not possible to answer. Please post a new, separate question with the following:
> Is it a coin or bill (note)?
> What's its date?
A 1970 paper Hundert Deutsche Mark note is no longer legal tender and its value would depend on its condition and any potential collector interest. Generally, it might be worth around $5 to $10 as a collectible item.
$64
500 funf hundert kronen pet set korun
Hundert Tage - 1935 is rated/received certificates of: Finland:S
The cast of Die hundert Mark sind weg - 1939 includes: Vilma Bekendorf as Lore, seine Frau Dorit Kreysler as Inge, seine Frau Kurt Meisel as Rudi Lenz Hermann Pfeiffer as Dr. Sachse Liselotte Schaak as Cretl, seine Frau Eva Tinschmann as Frau Jolle
drei hundert und zwanzig thats how you write it and this is how you say it: dre hundert und zwansish
sad
Hundert
Hundert PS - 1959 is rated/received certificates of: West Germany:6 (f)
1.435 US$ was 100 DM in 1996. Look at the link "Historical Dollar-to-Marks Currency Conversion Page".
Hundert.
Ein hundert seiben.