Milk glass shakers are 3-3/4" tall with plastic lids that clip into place. Embossed on the base is: Luce Mfg Blue Magic Groton VT
On Saturday, September 04, 1948, U.S. federal trademark registration was filed for BLUE MAGIC by Luce MANUFACTURING COMPANY, GROTON. The USPTO has given the BLUE MAGIC trademark serial number of 71564728
