Not sure of the maker. Looks hand carved to me, I'm not an expert on these though. Solid except for the two holes on the bottom, probably for displaying or storage.
Seems to be the original paint. Split in the wood on the bottom. The item "Vintage Wooden Painted Duck Decoy w.
Glass Eyes, Bluebill Mason" is in sale since Tuesday, September 06, 2016. This item is in the category "Sporting Goods\Hunting\Vintage Hunting\Duck Decoys". The seller is "goodguywmca" and is located in Ruskin, Florida. This item can be shipped to United States.