Hi I've got a couple of bottles of unopened ale but don't have any clue about them is there value,1 1977 whiteness silver jubilee ale,1 1972 anniversary ale by courage, 1 royal celebration ale no 08248 by north country breweries( no date), 1 bass & Co pale ale ( no date),1 extra stout Guinness (no date), the bottles with no dates have all measurements in 9 2/3 FL oz, so must be old, would love some advice on these please.