I received my prize from the contest, the Reylight LAN Mokume Gane.
Thanks very much Rey 
I decided to perform some tweaks & tuning, swap the emitter, add a little more copper heatsinking, install all the tritium vials and add an electronic tail switch with ramping firmware driver.
Mokume Gane copper & brass body
Cree XP-L HI v2 5000K on copper DTP MCPCB
OP reflector
ARC glass
Brass pill with added copper heatsink
MTN 15+1 FET driver with D4 v2 ramping firmware
Electronic tail switch
Installed ten 6mm x 1.5mm red tritium vials
Length - 96mm
Width - 21mm
Weight - 123g (with 14500 cell)
Max - 1300lm OTF
Max cd - 7700 - (175m throw)
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I also made a protective carbon fibre felt lined holster & spare cell carrier/ charger for the Mokume LAN.
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Dyneema wrapped & GITD LED surround.
Runtime graphs using a Windyfire 14500 600mAh cell and a new Vapcell 14500 1000mAh.
Two runs of each cell, one starting on maximum output and another starting around 600lm.
Mokume LAN runtime graph 60°C
Mokume LAN runtime graph 70°C
