I found the 1937 BSW catalog that lists this combo as an Astora 35BD. It's fortunate that the set didn't get broken up like so many post war guns suffered. A scroll near the bottom shows 1937 prices in RM.

Here's the link, and the gun is listed on page 16. I wish my German were better. For this simple field grade set to have survived the war and all the years after in its condition is a minor miracle.

https://www.germanhuntingguns.com/about-...log-price-list/

This link explains the BSW Simson story and their struggle as a Jewish owned company in Nazi Germany.

https://www.germanhuntingguns.com/archives/archive-simson-co/