fatbelly 26

i have what i believe is a 1926 dodge truck jan. 5th because that was the year it came with the size tires that was on it. i seen someone posted for someone eles the identifing plate is under the floor board under pedels. mine didnt have much of any floor board i found a paten plate on inside of the grill shale had alot of dates on it one of the last was 1926 would that be the plate