Hi Danny,
I let you know for a price of koi L size.
order 5 koi : 9.6 GBP each and
order 10 koi : 9 GBP each.
Free for shipping cost and this price for every koi (in general, koi which difficult made are more expensive such as Goshiki Asagi Koromo or Oshiba)
Processing time to makes : 1-2 week.