Old Mitre Box - Red Diamond??

[Grandfather's Tools]

Hello all,

I'm trying to find mitre boxes like this one, and I find similar but instead of Red Diamond, they say Durall. I mean, the printing "Rock Maple Mitre Box" looks exactly the same, but the name above it is different. Anyone know the history? Did Red Diamond later become Durall? Why can't I find any that say Red Diamond? If I specifically put "red diamond" in a search, all the images are Durall boxes.

I finally find one....just one....and the price is a secret. LOL

https://www.worthpoint.com/worthopedia/vintage-12-red-diamond-rock-maple-1851987277