Corinphila Auction 291-297 Day 2

1862: 1 d. pink postal stationery envelope (19.9.62) with all over violet illustrated advertising for John Warner & Sons, Hydraulic Engineers, Bell and Brass Founders, London; a used example mailed to Birmingham cancelled by London experimental Pearson Hill machine duplex (Nov 17) in black. A few small imperfections but rare and most attractive.