where is the best place to sell rare vinyl aka sealed copy of sgt peppers i found in my parents attic

you should open it to find if it's a hot stamper

I don't need to open it to know that it absolutely is

Come to think of it I better add a couple zeroes to the asking price

the funny thing about looking this up is that now the ads on every single website are trying to sell me a brand new original pressing of OK Computer