Serpentine Antiques has dated this piece to the 1940s.

It is unusual to get a proper pair.
Size-female 5.75 inches long by 1 3/8 inches wide by 2 5/8 inches high. Male-6 3/8 inches long by 1 3/8 inches wide by 2 7/8 inches high
Weight-65 grams total.
In very good condition.
Serpentine Antiques has dated this piece to the 1940s.
Specialising in unique pieces for the discerning individual, selected and prepared with special care..
You can view the stock and full dealer information on the Serpentine Antiques Profile Page