unmounted mint 1952-73, a fine collection of varieties and errors in packets or on dealers' cards as originally purchased, virtually all types or varieties present with omissions of colour, embossing or phosphor, colour shifts, inverted watermarks, imperforate between stamp and margin, uncoated paper, phosphor band errors, inconstant printing flaws, etc.; apparently all unmounted mint and fine. The owner's list of the collection is included. Careful inspection recommended. (about 100 varieties plus normals for comparison)