What's a vintage (used) Aristocob System pipe selling for these days?

It's been a while since I've added any completed Aristocob Metal System Pipe auction updates, so here's the latest completed Aristocob auctions:
This trio of used Aristocobs sold on Dec 13th 2009 for $51.00 + 6.50 S&H. Yes that sounds like a lot, but take a look at this:

This single Aristocob, with one used and one new liner sold on Dec 9th 2009 for $47.27 + $5.00 S&H! But that's not the real crazy talk... check THIS out!

The was an auction of two boxes; one in fine condition and one crushed. There's a total of four liners for the Aristocob Metal System, Pipe. With 29 bids this auction ended on Dec 13th for a whopping $41.00 + $3.50 S&H!

I'm in the wrong business.