I have several used altos and tenors for sale, all good brands and recently serviced ($400 and up):
1) Vito alto Made in Japan (same as Yamaha YAS-23) in near mint condition: $500
2) Alpine alto in mint condition: $400
3) Selmer/Bundy II alto in very good condition: $450.
4) Yamaha YAS-21 alto in near mint condition: $500
5) Selmer 1244 tenor in excellent condition: $650
6) Yamaha YTS-23 tenor in like new condition: $1100 ($2,300 retail price).
All prices are obo. I have many more band instruments as well, flutes, clarinets, alto and bass clarinets, trumpets, trombones, French horns, bari sax, euphonium, mouthpieces, mutes and more.
I also teach private lessons. Give me a call!