HEIGHT = 7 inches
WIDTH = 5 1/4 inches
DEEP = 2 inches
WEIGHT = 3 lbs 9 1/2 oz
VALUE = $150 - $225

MARKING:
three concentric "C's" with a forward slash thru them   28

Note 1:
28 is not visible, but it is there.

Note 2:
This is one of at least three doorstops made by this Foundry as told by the similar marking on each doorstop back. The only known foundry whose initials could possibly match is Creations