This 6 cylinder convertible (now converted) was built 843 ahead of mine. It’s an 11D and mine is an 11E.
https://www.ebay.com/itm/126164151393?hash=item1d5ff82c61:g:LEkAAOSwGQFlQWou&amdata=enc%3AAQAIAAAAwPLxTQus1XVj73zSy%2BsWM5SwYAAPv4ZO6M58nYJtgN8wM7PbeX88fxKpOX1G7OFX%2FkKe54GtOj8v%2B7uN3Nrr7mOurs92trrfrCogdRN%2Bh7G5IZUVKTVAg4x%2B%2BrelspAAVR%2FU%2FnrNKc2vtK44tAmjaFzv98BIpGmc%2FJuA1Nr%2BTSGWMVxa8yIx1UoRJ84ikUxMMioomuTE%2BsjOiLmJB7QqF7sEGCOVmHYCS13pxKU7aETdZ%2FFyZRF9uRSQnpmtEmER5g%3D%3D%7Ctkp%3ABk9SR_qdn97xYg