indeed the Gewehrfabrik Danzig Mauser is very similar but don't have the wedge

[img]https://up.picr.de/49276048zi.jpg[/img]

https://www.gunsinternational.com/guns-for-sale-online/rifles/mauser-rifles---sporter-pre-war/rare-gewehrfabrik-danzig-98-mauser-sporter-8mm-bolt-action-german-rifle-with-double-set-trigger---checkered-walnut-stock.cfm?gun_id=101528564