Sun Tower, Mt. Wilson Observatory

Front:
SUN Tower MT. WILSON OBSERVATORY MT. WILSON, CAL. 21

Back:
sed AUGA UNITED STATES POSTAGE POSTAGE GEORGE WASHINGTON 1789 - 1797 $bino .WP CENT 1 Dear Went Minnie Ep huzif Deeded you boch se Thank a pellier Esclage: *1973 1 Mim Mes. K. A 241 1. Od A avaden hole you