1954 whaleboat occupancy plaque made of heavy brass or bronze.
Plaque is 6 3/8" wide by 3 3/4" tall.
It weighs just under a half pound.

The plaque has the following impressed upon it:
26 ft. Motor Whaleboat Mk.II
Boat No. C-37236 Max. Cap 22 Men {cap quantity changed to 17, then 16}
(Maximum capacity includes boat crew and passengers
and assumes all passengers in cockpits and seated as far as possible)
Bureau Plan No. S8209-(1)-26-303001
Palmer Scott & Co., Inc.
New Bedford, Mass. April 1954

Palmer Scott were builders of fine wooden boats out of New Bedford.
They built boats for the military and Coast Guard, 
as well as for pleasure.