The White Party Hat currently sells for about 2,100,000,000 on the grand exchange. This the maximum price as you cannot hold any more coins than this in one stack of GP. The street price of a White Party Hat is much higher than the GE price, so no one in their right mind would sell a White Party Hat on the GE.
Currently, at over 2,000,000,000 coins, is the White Partyhat.
If you mean RuneScape, the answer is very simple: you don't. A partyhat is worth somewhere between 1-2 billion coins, you won't get one for 10 coins.
RuneScape private servers are illegal. If you get caught using one, Jagex may choose to prosecute. Do not use them!
1048 is a white partyhat
There is no way to make a partyhat in RuneScape. This is an item from a past seasonal event; it is not made any more. If any player could make a partyhat, they would NOT be worth a billion coins each.
13498 i think
Blue partyhat costing 2100M
Item prices on the Grand Exchange vary from one day to another; to get the latest price, check the Grand Exchange on the Web page.
Unfortunately, you cannot make a Party Hat (of any colour). They were given out when RuneScape first came out.
Yes, they were given out in crackers in the 2001 Christmas event. No. Anybody can buy a partyhat - member or otherwise.
Either a partyhat, or a Christmas cracker - check the latest prices, they tend to change.
There is no way to spawn blue party hats in runescape. However the item code is either 1042 or 1043 for use on private servers.