Decoy has a snakey neck with hollow body construction. Looks to have the initials JM on bottom. Body has no structural issues.
Weeks was an accomplished decoy maker from Bureau, Illinois. Measurements: 17 in length and 7 in height and 5.5 in width. The item "Antique vintage old wooden working Early Premier Mason Mallard duck decoy" is in sale since Monday, October 7, 2019. This item is in the category "Sporting Goods\Hunting\Vintage Hunting\Duck Decoys". The seller is "tobaccoroadchew" and is located in Spartanburg, South Carolina. This item can be shipped to United States.