Bound copies of Discovering Antiques (Hailsham BN27)

Bound copies of the publication Discovering Antiques in 5 Volumes, and I quote from a bookseller's descrioption of the same:

Volumes 1,3,4 and 5 of Discovering Antiques published by Purnell around the 1970s. Red hardback folders contain magazines on museums and their collections. Folders have gilt lettering to spine and front, approximately 9 .5 x 12 inches tall. There are color illustrations throughout.