Overview Other Details Product Description MINT and in Excellent Condition. Other Details "Head Types" of UX28 and its surcharges (UX40 and UX42) are discussed in the UPSS Postal Card Catalog. There are 4 "Major" Types....1,2,3,and 3A. Due to Plate wear & other factors, there are also minor varieties of these major types. Product Videos Custom Field Product Reviews