1870 1½d SHIELD/PARLIAMENTARY NOTICE. 1873 envelope Leeds to Penistone with 1½d Pl.1 (SG 51) lettered HI and pair of 3d rose Pl.11 (SG 103) tied Leeds duplexes 10.DE.73. Apparently this Parliamentary Notice rate only applied for a single December day each year! Slight peripheral imperfections but a most unusual usage. (Ref 72481).