Leave the box, sell it raw (incur no additional costs), disclose the flaw (it is what it is) and ask what you think is fair based on what it is. Some buyers will negotiate based on the oddity, but its an early, affordable ASM, which puts it in the reach of the vast majority of ASM chasers, many of whom want affordable copies of books that are too expensive for them in higher grades. You'll have a market for it. After a couple discussions with serious potential buyers, you'll have price discovery.