Combined shipping available. 

Your order will be sent as a tracked letter via Omniva. To save on shipping costs for multiple items, please select the 'combined shipping' option during checkout. If you're charged extra shipping due to an error, I'll refund the difference. For items with different shipping costs, you'll pay whichever shipping cost was higher.

Gold standard in Germany: 1871-1914. 1 mark equalled to 358mg of gold, so the note equalled to 35.8g of gold back in the day.

Similar/same design was issued first in 1883 and last in 1908.

All this history is accroding to my knowing, you can double check it to be sure.