Folder: S.F. Police-Motorcycle Unit
On backside: "Picture taken of original motorcycle unit April 1928 in the plaza across from City Hall, between Polk and Larkin Streets. Left to right: Corp. Luther Arrons - Elmer Esperins - Joseph Perry - Ike Bittles - Charles Neary - Eddie Franke - Walter Thoulander - Chris Grusmacker - George McArdle - Josephe Wickstrom - Joseph O'Rourke - Eddie O'Day - Joseph Winom - A. Doyle - John Brockman - Standing is Capt. Charles Goff - Corp. Archie Schmidt."
Written on back: Gift George McArdle 2-14-74.