My name is***** have been buying, selling and appraising art work since 1970.
Is this your grandfather?
Arnaldo B. RUBIO (1902-1970)
Birth place: Mexico
Death place: Los Angeles, CA
Addresses: Los Angeles, CA, 1917-1970
Profession: Painter, mural painter
Studied: Academy of Fine Arts, Mexico City
Exhibited: P&S of Los Angeles, 1934
Work: San Bernardino Post Office. WPA artist.
Sources: Hughes, Artists in California, 483