I misposted this incorrectly in a less-inhabited subforum a few weeks ago, to no avail.
So I looked through the directory and found I should have posted here according to the original sticky, and so am doing so now. Hopefully resulting in the correct answer.
QUESTION: what make of sax did...
i was just browsing through ebay when i found this: http://www.ebay.com/itm/Buffet-Bass-Clarinet-to-low-C-Eb-Professional-Very-Good-Condition-/140714919140?pt=UK_Woodwind_Instruments&hash=item20c34344e4#ht_836wt_1165
it's a Buffet bass clarinet, to low Eb, and it comes with an extension to low...
This horn is marked Mark VII
it plays really well and has a nice sound and the keywork is similar to that of a mark vi
it has the serial number of a 1972 mark vi
could it be one of the first mark vii's or even a misprinted mark vi?