HEIGHT = 4 1/2 inches
WIDTH = 10 inches
DEPTH = 2 1/2 inches
VALUE = $1,000 - $1,350

MARKING : 133
You can see the 133 marking in the back view on the middle, left, just before the bend at the bottom starts. and as National's marking style
the numbers are in script.

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:
In that 1920's Catalog, listed as the name of this doorsop "Canoe Girl".

Note 3:
There is a very similar cast iron piece that is a Room Humidifer that sits on an old finned radiator.