give me 8,000 carrots + 16 golden carrots + gluon gun + M303 + 180 diamond pickaxes + 16 iridium pickaxes and I'll give you a mummy suit with a free toilet roll from Halloween Update.
There is quite a few mummy seller nowadays, and many sell for like 7B in their shop. I'd say you could easily buy for a bit less than 7B, as you are one of the only ones actually seeking a mummy atm. GL and calm down on the drugs