WEIGHT = 5.985 lbs.
HEIGHT = 9 3/4 inches
WIDTH = 9 3/8 inches
VALUE = $300 - $450

Note 1:
A bolt holds together this 2-piece doorstop. One of the very few doorstops to use a bolt and not a screw.

Note 2:
National sold this doorstop unpainted for $1.10National also sold paint kits or their doorstops painted.

Note 3:
In 1940, Hubley sold this Doorstop from their own catalog for $15.00 a dozen.

Note 4:
Hubley would advertised this doorstop, Police Dog in the 1938-9 Sears & Roebuck Catalog for $1.19 each. Each doorstop came with a leather leash. As seen, in the Hubley catalog and the Sears & Roebuck Catalog, prices were very similiar.

Note 5:
This doorstop was, also, advertised in N. Shure's 1931 Catalog, page 198
See View A1
He is named in the ad as "The Boston Bull". He came with a leach and collar for $1.80
See View A2

Note 6:
Shure was incorporated in 1925 Sidney N. Shure in Niles (suburb of Chicago), Illinois. The company sold radio kits. They latter became an audio-electronics manufacturer. They made wireless microphone systems, phonograph cartridges, mixers, and digital signal processing. The company is in business today.