Found on the wall of the ruins of the Llano del Rio Colony, an early 1900's socialist commune - Llano, CA
The mug is from Tepco China USA - Green Shadowleaf pattern, perhaps restaurant ware made in the 40s, but likely from the '60s. I did not find any whole examples on e-Bay.
"...The house begins with Mission Revival and ends with regionalized Spanish. Browne's grandson, Jackson Browne, the singer, once lived here." An Architectural Guidebook to Los Angeles, Gebhard and Winter, 2003
For much more info on this house, consult the wonderful Big Orange Landmarks by Floyd B. Bariscale. Jackson Brown posed sitting in the courtyard of The Abbey on his album The Everyman.
This is my first contribution to RuneE's Broer som Binder [Bridges between]. Vincent Thomas bridge connects San Pedro to Terminal Island as part of LA County Route 47. Some facts about the bridge from the given link: the third largest suspension span bridge in California, opened to traffic on November 15, 1963, and named after a former California Assemblyman, who was most responsible for its construction.