Correct,
'd' would be 1925. The
lettre annale are somewhat stylized and can be difficult to interpret
There is a partial list of inspector's marks at the bottom here, but many marks are not included (including the fused AD which is common), some were repeated, and the significance of some were lost in a fire at the Proof House so guns can not be dated by the inspector's marks
https://www.shotguns.se/html/belgium.html Cornell Pubs has a 1932
Manufacture Liégeoise catalog repro which should show the model
https://cornellpubs.com/product/3580/
