WM. H. BURGER & CO.
Burger began the 1898 tax period at the firm H. I. Judson & Co. before forming his own firm.
This photo of the Burger house can be found at The Brownstoner website. Burger built the house in 1902, the same year of use of the stamp above. The house can be found at 443 Clinton Avenue in Brooklyn. Clinton Avenue was a popular address for Gilded Age wealthy.