Harrington & Richardson 20 Gauge Model 1908?

Harrington & Richardson 20 Gauge Model 1908?
Not too sure if this is legitimately a model 1908, 1900 or something else, Let me know what you think. 
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[@Storm01879]

I would replace the chipped butt plate with a Kick-Eez recoil pad. That would make a lightweight gun like that more comfortable to shoot with field loads.