I think you are right. One difference I notice is the RH F# key placement. Interesting...kimslava said:Hi. Does it have any engraving at all? Just from the LH Pinkie cluster I would've guessed it had a 'shooting Stars' engraving. And it has no 'Made in the USA' or anything?
Here's some pix of a Made in Mexico Conn Alto http://doctorsax.biz/mexiconn.htm
I forget the model number.