FAKES !! These early NJ fakes are made by a company called Vintage Signs Unlimited. They are being sold on eBay.
I have only seen these in 2 digit plates (always the same number per year).
 

1910 FAKE
New Jersey Fake License Plate 1910

1912 FAKE
New Jersey Fake License Plate 1912

1914 FAKE
New Jersey Fake License Plate 1914


BACK OF VSU PLATES
New Jersey Fake License Plate Back Side

FAKE SEAL #90010
(used on all plates)
New Jersey Fake License Plate Seal