WEIGHT = 4.40 lbs.
HEIGHT = 8 5/8 inches
WIDTH = 7 1/16 inches
VALUE = $200 - $300

MARKING:
42

Note 1:
National sold their doorstop unpainted for 50 cents or electroplated with brass, copper, or nickel for $1.80 per National's 1920's Catalog.
They also sold paint kits or their doorstops painted.

Note 2:
This doorstop is also made by Hubley and is marked 182. You may see Hubley's version on this website.