ADDENDUM 2/17/22 11:55 AM: The Brooklyn Robins; White Sox/Indians; Champions; and Speaker, mack, Huggins are not supplements. They are printed on pink paper and are part of the issue.
A collection of (4) National Police Gazettes with baseball supplements. The lot includes (1) August 28, 1920, with Brooklyn Robins supplement VG (front cover pencil writing, 2" spine split, 1.5" front cover piece missing, supplement EX), (1) September 11, 1920, with American League supplement featuring Speaker, Mack, & Huggins VG-EX (front cover pencil writing, supplement EX), (1) October 16, 1920, with Chicago White Sox & Cleveland Indians supplements featuring Tris Speaker GD (front & back cover tears, horizontal fold, and overall foxing, supplements VG), and (1) January 1, 1921, with Baseball Champions supplement FR (bottom right corner chunk missing, horizontal fold, spine reinforcement, supplement GD).