Real sports cars didn't have steering wheel locks in '65. There is a car-thief-friendly mechanism that allows you to replace the lock tumbler with another one:
http://www.morgan-spares.com/mm5/merchan...ct_Code=200-327If the key won't come out, disconnect the battery and then crawl under the dash board with a nail and flashlight to remove the tumbler. A new tumbler and key is $16 plus postage.