Losmandy D-series type dovetail for Celestron 8" SCT.
I can't be certain but I think it is an ADM Accessories dovetail, not Losmandy, as the scope/mount it came with has an ADM D/V-series dual saddle.
Will put up pics later tonight. Its like these:
http://www.bintel.com.au/Accessories...oductview.aspx
http://www.admaccessories.com/D_Series_Dovetails.htm?
Sold the SCT it came with so no longer needed.
$80 pickup (Sydney), or $90 incl post within Aus.