I'm making an assumption that this is from the Wanamaker Department stores. Lots of information on the internet about him and his stores.
Courtesy of Rosaline Shunmoogum.
Some other Bourlet labels and pictures, originally posted by Richard Christie.
This one with out the Sons. Established in 1828 and still making frames today, Bourlet has a detailed history which can be seen on the National Portrait Gallery, British Picture Framemakers, 1630-1950 resource.