Vintage Cobalt Blue Eye Cup

Vintage 1940's Cobalt Blue Glass Eye Cup, used for rinsing out the eye. This is from my Mother's collection of Cobalt Blue items. Measurements 7 cm tall ✅smoke free home ✅pet friendly home ✅recycled packing materials ✅ Retro Collectible Vintage Antique Edwardian, Elizabethan, Mid Century Modern, 1940's