This is a LONDON & NORTH WESTERN RAILWAY 17mm diameter nickel button, with Britannia & lion emblems and train travelling to the right on Sankey Viaduct surrounded by the company title in an encircling band - other versions either have the train travelling to the left or with no train on the viaduct.
It has a J Hammond & Co Newcastle Staffs backmark and is in good condition with shank intact - see Froggatt plate 9/6.
UK buyers please wait for an invoice if you win more than one item so that I can combine postage where possible. Non-UK buyers please note that international shipping is offered ONLY via Ebay's Global Shipping Programme, and I am unable to offer any other international shipping service or revise the postage after purchase.