HEIGHT = 11 inches
WIDTH = 8 inches
VALUE = $225 - $350

MARKING
121
can be seen in the center of the cavity -- Back View

Note 1:
In 1940, Hubley sold this Doorstop from their own catalog for $7.20 a dozen.

Note 2:
The Albany Version's is 10" tall by 8 1/2 wide

Note 3:
National's Version's is 9 3/4" tall by 8 wide

Note 4:
National sold their doorstop unpainted for 65 cents or electroplated with brass, copper, or nickel for $2.40 per National's 1920's Catalog.
They also sold paint kits or their doorstops painted.