Help locating my family truck!

[Conejoracer]

Hi, I'm new to the forum but have been a big fan of older Chevy trucks since I was a kid. I'm trying to find a truck that was owned by my father and two of my uncles. The truck was sold by my uncle in the early 90's in California City, California. I think the truck may have been sold to somebody in the Lake Los Angeles area.
The truck was a 1969 C10 short bed truck. At the time of the sale, it had a 350/th350 and 4X4. The truck was green with a white stripe and had a under dash ac unit. The truck was originally from Texas and had a rear bumper stamped with East Texas Motor Co, Sulphur Springs, Tx. This bumper was on the truck when it last sold. The truck was originally 2wd and was converted to 4X4 by my uncle. He also converted the rear to leaf springs, some of the old 2wd suspension mounts were still visable. The truck had blue/ yellow Ca plate, lic# Z12 717.
I'm very interested in any info that may lead me to this truck, I know it's a long shot!
Thanks
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