Adam, I never grow tired of seeing your signed S&K O'Doul. But a complete signed set was recently sold on ebay, so I don't think yours is 1 of 1 any longer (though the scans on ebay are blurry and it's hard to see what really was signed).
https://www.ebay.com/itm/37518465451...Bk9SR_aPpaqmYw