cover -- ditto with 2mm. sheet margin at right, close to good margins on other sides, on 1855 (28 March) entire (invoice) from Basle to Bern tied by black grill and showing origin c.d.s. and firm's cachet adjacent; light horizontal crease through adhesive otherwise fine and a rare franking. Rellstab and Moser - Räz certificates. Z.22 Aa, S.F. 4,500. Photo