I've been pulling my hair out with browning and everyone else about my serial number on this sweet sixteen i just picked up it has the letter A above it and the serial number is 8xxx it has the rear push thru safety on the back of the trigger guard gold trigger and the rounded ball grip on the butt stock and no one seems to be able to tell me the date or anything im at my wits end with it any help would be greatly appreciated

Thanks,
John.H