https://www.shotgunworld.com/threads/h-d-folsom-arms-co.245395/

A picture of their catalogue:

https://www.ebay.com/itm/371511672743

Brief obituary of H. T. Folsom:

https://www.nytimes.com/1937/02/28/archives/h-t-folsom-dies-manufacturer-77-head-of-h-and-d-folsom-arms-company.html

This catalogue reference mentions Poker Chips and Dice:

https://cornellpubs.com/product/2757/

Other online references to the company can be found, too. Hope that helps. I wanna Quackenbush Safety Rifle so I can bag a duck for Thanksgiving!