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davidcyclebackMike is correct. There is no such thing as a 1919 wirephoto, as the wirephoto process had yet to be invented.
However, 'wirephoto' also is a general nickname that many collectors and dealers use to call any photos made by Associated Press, UPI, etc, including real wirephotos and that 1919 AP photo.
The general rule is that any photo before 1935 isn't a wirephoto, as wirephotos weren't widely made until 1935. The majority of pre-1935 baseball photos made by news services like UP, ACME, etc, are originals printed from the original negative.