Yes photos would help also any serial numbers to help identify it. Condition is the key. If its in a Land Rover now, its already second hand. What has it come out of? What use did that have, servicing, maintenance? Does it run now? Good? average? smokes like a chimney? A lot of factors affect price, not least how desirable they are. Its worth what someone is willing to pay.
Put it on ebay, with lots of photos and as much info you can, start price 99p and the market will decide its value.