Circa 1905 porcelain stick pin with a clown's head. The wire leads to battery case that held a 2 "AA" battery pack.
1905-1920 stick pins
The Gem-Lite was made about 1933 through 1935 and used 2 "AA" cells -Art Deco purse lights.
Stuart Schneider is an interesting man with an interesting website full of old flashlights and flashlight history. It also appears that he is a lawyer and he has a few other "museums" on his site as well. (Some people pack a lot into a single lifetime.) But, for now, I will just direct you to the flashlight museum because it is so cool and it will take up a bunch of time just looking at and reading about these beautiful objects.
The Art of Amy Crehore