1846 Zurich 6 type I tied to small folded letter by stunning red rosette, alongside red ZURICH 30.5.47 cds to Winterthur, the red horizontal underprint is unusual strong, the adhesive has 4 large margins and shows variety of position 96 of the sheet of 100 (= showing large worn printing spot at left), in all respects a beautiful exhibition piece of highest quality level, cert. Renggli (1989) (Image)