This is a very early model of a Canvasback decoy by John "Daddy" Holly (1818-1892) from Havre de Grace, MD, who wad the father of the Harford County style of Upper Chesapeake Bay gunning decoys. The X-Ray shows that the head is original to the body, and it shows the inverted nail which the maker often drove into the bottom of the head before attaching the body to the head; this was presumably done to strengthen the neck to avoid neck cracks during use. I have not been able to identify the person who is represented by the "S" brands. The incised eyes are another detail that doesn't appear on many upper bay decoys; but a number of Daddy Holly decoys do exhibit this feature.
 
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