If any particular stamps are important to you. The face value I'm guessing must be in the region of 150 - 200 pounds. The Album is in a condition commensurate with age & use.
The actual pages have pencil notations + some marks commensurate with use. The item "Rare British Mint Stamp Collection 1970 1982 Gibbons Plymouth Album 65+ Pages" is in sale since Sunday, February 10, 2019. This item is in the category "Stamps\Great Britain\Collections/Mixture\Stamps". The seller is "rustie87" and is located in Herts.This item can be shipped worldwide.