This razor from Colonel Ichabod Conk is a decent solid straight razor, not too sharp. The stained steel is the result suboptimal storage.
For the background of the Col. Conk brand, see below:
https://www.colconkproducts.com/about-us/
A few advertorial sites about shaving with a straight razor:
https://www.gentlemansgazette.com/straight-razor-shaving-guide/
https://www.artofmanliness.com/articles/how-to-straight-razor-shave/
https://www.gq.com/story/how-to-shave-with-a-straight-razor
https://www.cutthroatclub.com.au/blogs/instructions/complete-beginners-guide-to-straight-razors
https://www.classicshaving.com/pages/guide-to-classic-straight-razor-shaving
https://www.badgerandblade.com/forum/forums/straight-razor-shave-clinic.79/