The caption gives us a little context:
Although the caption mentions the 1929 Championship, this is a photo of the 1930 club. Elbert Bloodgood, Merle Zuver, and Frank Hanny played only one season in Green Bay.The Green Bay Packers
Champions of the National Professional Football League
PRO FOOTBALL IN GREEN BAY dates from the time when the Acme Packing Co. put a team in the field just after the World War. For several years the team has been supported by the Green Bay Football corporation but the name Packers has remained—a name which all Wisconsin honors, a name which means top notch football in the National Professional Football League.
Front row, left to right; Woodin, Radick, Fitzgibbon, Zuidmulder, Bloodgood, Perry and Zuver. Middle row, left to right: Lambeau, Herber, Michalske, McCrary, O'Donnell, Lewellyn, Blood, Molenda, Dunn and Lidvig. Standing, left to right: Hanny, Sleight, Nash, Hubbard, Dilweg, Engelmann, Bowdoin, Darling, Earpe and Kresge. (Journal Color Photo)
"Lidvig" is actually running back Carl Lidberg. I don't know who "Kresge" is; nobody by that name appears on the Packers' all-time roster.
The Packers would, of course, go on to win a second consecutive World Championship in 1930 and then a third after that; a feat which has only been equaled once since, by the Packers of 1965, 1966, and 1967.
I love the little pennant graphic filling out the space below the caption.
"The GBP". Very collegiate.
This is a beautiful ph