James
Your Lear, model 24XR last registered as XA-RQB before being parted-out /scrapped.
picture link: http://www.abpic.co.uk/photo/1057528/
Began life as msn / cn: 150 (or more correctly 24-150)
First reg: N3807G
then: N596GA > N596HF > N211HJ > N211BL > N24XR (there was another lear also registered N24XR ) > XA-RQB
John