I might have some panel switches. I have several gear sticks but not sure if its the straight one that you need from a series 3 that only has the bend at the bottom? I would imagine the gear gate pattern on the knob has worn off all of them though but you are more than welcome to have one if it helps.
You might be lucky with the key side of things, Land rover sometimes didn't snap the tamper proof heads off the bolts securing the steering lock to the coloum. If they have,use a good pointy punch and tap them round to undo. I think a new ignition lock / barrel is about £100 though:embarrassed: But at least you can get it shifted