Vintage Dentures (A)

Genuine vintage sample dentures.  Part of my own collection bought at an antique fair 20+ years ago.  I was told they were samples of dentures travelling sales people had to show potential customers what they could purchase.  I don’t have an exact year these were made but I do believe them to be from the 20’s, 30’s or 40’s. Please note the scale – photographed next to a tape measure in inches and cm. OOAK