Bought quite a few of these collectible single wrapped Razors Blades at an Estate Sale.  If interested in others, please check out my listings.  This is vintage “Pal Hollow Ground" Double Edge Razor Blade - From the Pal Blade Company - Made in the USA.   One blade Individually Wrapped with open in the back wrapper.   Both Blade edges are very sharp and good condition for age.  Blade in good condition too for age. Perfect for Collectors or for those interested in vintage Shaving Memorabilia.  Please see photos for style and condition.