One of the twelve (the 5033T) will be on the market again next month with Christie's. Even here, go figure how "funny" some auctions are presented: this entire (and quite amazing) private collection that will be on sale in a series of auctions is advertised as the "Titanium and ruby Collection", even though the 5033T seems to be the only Titanium piece available.... No doubt it may be viewed as the top lot, but still...;-) Cheers.