This says 2 Available 19 sold ???? Have they got some left for you ???
http://www.ebay.co.uk/itm/TAMIYA-LUN...6#ht_500wt_925
http://uk.shopping.com/Tamiya-Americ...rica/info?sb=1
Can't you order a new one from your LHS ?
Tamiya are pretty good (if you speak to the right people), they usually get what you want.