HEIGHT = 4 1/2 inches
WIDTH = 3 3/8 inches
VALUE = $300 - $500

Note 1 :
Originally, Humpty Dumpty was a character in an English nursery rhyme

Note 2 :
This particular doostop sold for $1.25 in 1927.

A typical sales method of some foundries was to advertise in general merchandise catalogs.
Bradley & Hubbard even had a showroom in New York City.
Bulter Brothers on Broadway of New York City sold general merchandise thru their catalog.
In this catalog, this doorstop was advertised.

To See a catalog page 135 from their December 1927 Catalog -- Click on Picture Ad1 on left side
To See this doorstop on that page -- Click on Picture Ad2 on left side

Note 3 :
Humpty Dumpty has appeared or been referred to in a large number of works of literature
Notably, "Through the Looking Glass, and What Alice Found There,"
This novel is part of the Alice in Wonderland Series which is 2 books written by Lewis Carroll:
"Alice's Adventures in Wonderland" (1865 )
"Through the Looking Glass, and What Alice Found There," ( 1871 )