unused Block of Four Set (with both 30pa. shades) in corner blocks of four, all except the 4pi. showing plate number in margin and the 45pi. with selvedge on one side only, additional 10pa., ½pi., 6pi. and 18pi. blocks of four, unmounted mint or mint, also 4pi. block of four used with "POLYMEDIA" c.d.s's, mostly fine. S.G. 60-71, #724