Our MoP Classic item table (the Blizzard item records our Auction House scanner has collected) has 59 other mail head items between item level 36 and 68; 23 of them carry fixed stats.
Next mail head items up with fixed stats: Protector Helm (item level 53, requires level 48), Ebonhold Helmet (item level 55, requires level 50), Braincage (item level 56, requires level 51), Bloodlust Helm (item level 58, requires level 53), Heavy Scorpid Helm (item level 59, requires level 54).
Cheapest listed mail head items at a similar or higher item level: Crusader's Helm at 3 gold (item level 53, requires level 48), Lord's Crown at 3 gold (item level 51, requires level 46), Ornate Circlet at 7 gold (item level 57, requires level 52).
Connected realms with a listing in the latest MoP Classic scan: EU 0 of 25, KR 0 of 5, TW 0 of 8, US 0 of 23.
Item data: MoP Classic client datamine, build 5.5.4.70631. Prices: per-unit buyouts from one Blizzard Auction House snapshot per connected realm per hour; market is the quantity-weighted median of a realm's listings. Retail column: the retail client datamine.
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