Vintage 30's Era Green & Blue Glass Marble Razor Blade Sharpener Stropping Tool | eBay
Vintage Green Glass Marble Razor Blade Sharpener Stropping Tool Mark Pat Pend | eBay
Antique Marble Straight Razor Sharpener - Etsy
Metal spring thing with 2 red glass balls. Can be separated, the balls do come out. Little over 3 inches. Looks like a pair of tongs holding the red balls : r/whatisthisthing