Finger Bowl
Created in 1880–88 on Blown amber glass with applied threaded decoration by Boston & Sandwich Glass Company,"Finger Bowl" is an artpiece of H. 2 1/2 in. (6.4 cm); Diam. 5 1/8 in. (13 cm).
For more informations : http://www.metmuseum.org/art/collection/search/3620