Here's a S&W Terrier that lettered as being shipped to Charles Greenblatt Co. NYC., one of the larger S&W Dealers from the late 1940's to 1980's. They were located across the street from the NYC Police Headquarters.
The holster has LAVA, Inc. Police Equipment, NYC embossed on the back.
Frank Lava, Gunsmith & Revolvers was also located across from the NYC Police Headquarters. Here's a pic of the store in 1937: