Shotgun ID

Question
QUESTION: I found this gun in an oud barn. I would appreciate any info. on this 'Wards Hercules 12 Guage'.(on firing mech.)
'Proof Tested  12 G'. 'Selected Forged Steel'(on the bbl)
         D
         22228  (on firing mechanicism & barrell)
Any info, like: date of mfg, manufacturer, cost, etc.
         H

ANSWER: Is it a side by side double barrel or single shot?

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QUESTION: Single Shot, tks a million!
ANSWER: Hi again,
Does it match the upper photo??
http://www.rivervalleyauctions.com/gun_46.jpg

I having a little trouble nailing this one down.

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QUESTION: It looks like #8483 as best I can tell, tks, cliff

Answer
Hercules: Trade name used by the Iver Johnson Arms and Cycle Works on shotguns made for the Montgomery Ward and Company of Chicago.

Iver Johnson model 36.
These were made from 1909 to 1957.
Exellent condition $175, Very Good $100 Good $75 Fair $50
and poor $25.
The exact year is of manufacture is not available as Iver Johnson is out of business.