The machine is actually a Mills Owl (not a Poinsettia). It is also called a Operators Bell and Automatic Salesman.
The base looks new (not original) because I can't see any nails.
I suspect the sides are also new but can't tell by looking at the pictures.
Without more photos there is no way to provide any more comment on the machine itself.
If you go to
www.AntiqueSlotMachinePriceGuide.com and search for this machine you will see the $1,200 price is inline with what they typically sell for.