MapleStory Hat Prices[Will edit with more prices]

Scarlion Helmet (STR/DEX)Worth 100-300mill. Matters about potential and stats.
Zakum Helmet is worth about 170-300mil.Matters about Stats and potential.
Chaos Zakum Helm/Zhelm 2/Zhelm 3/Are worth 300-700mill.Matters about stats.
Targa Helmet(INT/LUK)There are not a lot of Assassins/Mages anymore so these are about 50-150mill,but not sold a lot.You have to fight Targa if you want this hat(Located in Malaysia).

Rice Cake On Top Of My Head is worth 500k-10mill but its worth more if it has better stats.
Rice Cake Topper is worth 50-500mil.
Ask for some prices and i will post them