Another great LP (mono, too!) sadly ruined by fake signatures. At least the seller makes zero claims to legitimacy, didn't invent a Beatles signing story and is presenting this as is.
Without the signatures, depending on overall condition, this album alone would be collectable, especially sporting an original promo sticker. Condition, though, is everything. Perhaps if it was near mint (which doesn't appear to be the case) it could sell for $300-$500. As is, $15-$50, IMHO.
When I first looked at the signatures I thought the John looked like the work of Neil Aspinall. But on closer examination the signature styles are a mixed bag from different years. Definitely not genuine though.