how about this early inland?

[CrossedCannons]

Buttplate looks OK per War Baby (Underwood has the higher dot density of the two diagonal types).

FF, here it is a bit bigger:



The maximum diagonal length I count on this buttplate is 20+ dots. I can find only 16-17 corresponding dots in pictures both in WB (and on CR's site). There were more than 2 manufacturers producing diagonal butt plates. Here's a pic from the CMP boards which appeared a while ago. Guess who is who:



I've seen other diagonal patterns on ebay but didn't save pictures