Norton India Oilstone, Combination Stone, Coarse/Fine | Norton | Dictum
Vintage 6” Norton India Slip Sharpening Oil Stone – Good Condition | Tooltique
Dad's gifted me a unused stone, thought to be over 40yrs old, he swears it's a very good stone, does anyone have more information, should I open it or keep it for
VINTAGE NORTON ABRASIVES INDIA OILSTONE 1B 45 COMBINATION SHARPENING STONE w/box | eBay