Deutsche Bahn Discounts. This is a frequent traveller card which is also available for travellers over 60. The way it works is you pay for a discount card up front and then for every saver or flexible ticket you buy, you get that percentage off of the ticket.
This is a frequent traveller card which is also available for travellers over 60. It may not be complete. 25% discount with the bahncard 25 or bahncard 50