robo VTG Robo Knife Sharpener Red Lucite 1950's US Patent in BOX Good Condition

VTG Robo Knife Sharpener Red Lucite 1950's US Patent in BOX Good Preloved Condition. There is signs of age and use on the ribbed rim, shown in zoomed in photos. Could use a better bath, i did not want to soak this too much. Proper cleaning will be up to you. Please see all pictures as they are part of the description zoom in and ask questions Measurements are approximate