AQHA Registered Appendix Mare for Sale. Sally is a 7yr old 16.1 hand mare. She has had 2 yrs of solid jumping training and has shown and placed consistently in A rated shows at 26 29 height. USHJA and USEF recorded name is Mustang Sally. AQHA recorded name is LX Capable Lady. Sally is best suited for an intermediate to advanced rider who wants a solid competitive show horse. Sally has her lead ...