Beautiful California plein air painting of San Gabriel Mountains in autumn with iconic Sycamore tree in foreground. Circa 1960. Unsigned. Presented in vintage gilt-toned carved wood frame. Image size: 10"H x 14"W. The San Gabriel Mountains have inspired many famous plein air painters including Hanson Puthuff, Marion Kavanagh Wachtel, Maurice Braun, Guy Rose and Anna Aletha Hills.