Here's a good deal. You'll have fun with this pre-owned Yamaha Advantage YSL-200AD tenor trombone. The serial number is 536xxx. On the 8-inch bell it reads, "Yamaha Advantage Established In 1887."  Well made, it has; nice action, free moving tuning slide, slick slide, no big dents, 95% of it's original finish, mouthpiece and a Yamaha case. It has some dings on the back end of the tuning slides (see pic) and here and there and the wear of a trombone that's been played but all-in-all looks good and would detail nicely.  Me?  I'm not a store/repairman.  Buy accordingly.  Looking for instruments and getting them into the hands of players is a hobby of mine. I've come across a few of these in the past and they are well liked. I'm not a trombone player but can get a nice sound out of it and, as is, would be good enough for me.  That said, like all eBay instruments, I'm sure you'll want to have your tech give it a look to get in tip top condition...and am selling as such.  It sounds cool. I'm proud to offer it and you'll be proud to own it.  Thanks for your interest and best of luck.