From a 2011 auction listing.
"Sales Tax 8.25% charged to some California buyers. We encourage CA buyers to contact us before bidding.
brent@pwccauctions.com 805-440-8903"
I guess you can draw whatever inference you want.
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My avatar is a sketch by my son who is an art school graduate. Some of his sketches and paintings are at
https://www.jamesspaethartwork.com/
He is available to do custom drawings in graphite, charcoal and other media. He also sells some of his works as note cards/greeting cards on Etsy under JamesSpaethArt.