cover 1852 (16 Jan.) entire from Livorno to Trieste bearing 2cr. blue on azure with good to large margins and 4cr. green on grey with clear to large margins cancelled by "spider's web" h.s. and showing "STRADA FERRATA" despatch c.d.s. adjacent, a light horizontal crease affects the 2cr. Very scarce and attractive. Sass. 5a, 6. Photo