Hello PeteUK  The GCD often has a template set for a book that doesn't exist so I wouldn't worry too much about that where there is no image. They would be better to remove them, if they do not have picture confirmation. Now, UK Price Variants exist for some but not all June 79 cover dated Marvels. Your three books above all have standard 'newsstand' barcodes on the 12p copies: However, the remaining UK Price Variants for June 1979 all have slashed barcodes like so: