Alright. Here's my Arthur:
Hair: right-parted, length 4? Maybe 5. (Pomaded).
Facial hair:
Natural moustache, length 6.
Forked chin, length 7.
Natural sideburns, length 2.
Now on to clothes:
Hat: Arthur's hat or no hat at all.
Jacket: purple rambler jacket.
No vest.
Shirt: Stand-collar overshirt, white variation. Black also works to.
Neckwear: Puff tie, red and black stripped. Or a bandana.
Pants: Black everyday pants.
Boots: Deluxe relentless boots, white variation.
suspenders: fine leather suspenders.
Spurs: VaQuero Spurs, gold and black variation.
Gloves: Cavalry gloves, Brown and black variation. The range gloves also work.
Weight: overweight.
Here's a full body shot: