That's what happens with a city/town/county doesn't have enough money to buy new road signs from a manufacturer or make them in-house, happens to have a person on the governing body who happens to have a cousin who just happens to know how to make road signs, but might not've read or even heard of the MUTCD (or the Standard Highway Signs Book, also supplied by the FHWA). Happens all the time here in the south, especially on county roads and in small towns, and Georgia as a whole.
Also, on the subject of non-standard advanced warning (W10-1), here's one that I spotted in Mariana, FL last summer:
A bit off... by
freebrickproductions, on Flickr
A bit off... by
freebrickproductions, on Flickr
I'm guessing doing it right the first time just cost too much money...

Or, for a scarier thought, this was their best attempt.
Also, on the subject of non-standard signs in general, here's one of my favorites of all time, which I also spotted in Florida, this time in the town of Quincy:
Slow Hump Ahead by
freebrickproductions, on Flickr
Slow Hump Ahead by
freebrickproductions, on Flickr
As a friend of mine on Facebook put it: "I guess this road knows how to satisfy!"
