Young woman in PHS uniform - Phoenix High School?

Front:
PHS 19 10 POSTER No 54. COPYRIGHT, 1910, BY EDWARD GROSS N.Y.

Back:
/ 1 This 'SPACE MAY BE USED FOR BHOEN IX Х 25 10 00 AM 1912 ARIZ ONE CENY on Tube Grage 7161 Jo stand jagat. Hap hor your trip Down at the old 28 AVIN r 소 ( cris