These are the items:

Body Wood Body Unlimited Buy(Gold)
head Wood Hair Unlimited Buy(Gold)
Ex Pot of Gold Unlimited Gift
Ex Enchanted Forest Unlimited Gift
flag MACE Unlimited Gift
head Chief Hair Unlimited Buy(Gold)
Flag Spring 2007 No1 Unlimited Gift
Flag Pipe Unlimited Gift
Glass Gold Phoenix Unlimited Gift -$20
Glass Black Phoenix Unlimited Gift -$20
Glass Blue Dragon Unlimited Gift -$16
flag Wedding Flower Unlimited Gift
Body Rudolf Unlimited Event
Head Rudolf Unlimited Event
Ex Magic Circle Unlimited Buy(G coin) -$4
Flag Fiery Pegasus Unlimited Buy(G coin) -$30
Glass Frozen Arrow Unlimited Event
Ex Safari Unlimited Event
Ex Safari Unlimited Event
Body Powerful Blacksmith Unlimited Buy(G coin) -$18
Glass Blue Phoenix -$24

I've bolded the g-coin avatars, and underlined other items of interest.

You can get +50 attack +50 defense and +50 life if you equip Chief Hair, <Any Phoenix>, Fiery Pegasus and Powerful Blacksmith armor. That's maxed out in all the important stats. I also have some cool-looking avatars for avatar off.
Blue Dragon is so rare it's not even on Komsik's rare avatar page.

All in all, this is about ~$130 worth of G-Coin items (that's 1300 G-Coin).

I'm setting bin at 4000fg, which I think is more than a fair price.

And, yes, this is ijji gunbound

feel free to pm me with any questions.

aww i wish i had the fg

sold.