This must be, as far as I can see, a Coleman made lamp. Here with #307 grooved shade. Note the plate with Sunshine safety name, compared to last post. Bo
This is Coleman model AA. There were 14,000 shipped from Coleman to SS between November 1914 and October 1915. The model was made after that but SS stopped buying from Coleman in 1916 and this model was replaced by the Nulite model 10 in 1916. ::Neil::