WTB: titanium brake caliper pistons

OK this is a tricky one as I know that Chris passed away, but I´m looking for a set of his titanium S brake pistons.
If anyone has a spare set they want to part with please get in touch.
Best regards Arlo

FS: 911S Brake Piston, Ft, 48x34, 901.351.988.00, 911.351.918.00, $56.44