Great Britain: Motor Owners' Petrol Combine Ltd., 6% Convertible First Debentures, a set comprising £1, blue, £5, red, £10, mauve, £20 green and £100, brown, dated 1915 or 1916, large format, 4 pages, together with deferred shares, 19[25], also Petrol Users Society Ltd., 19[19]; Petrol Users and Tra