Here is a vintage Royal Cream of Tartar Baking Powder tin, complete with the paper label and still full! It is just under 4" tall and holds 6 oz. The metal top and bottom are oxidized with some rust, and the paper label is darkened from age, but not torn. There are recipes on the back for biscuits and a 2 egg cake. Royal baking powder was made by Standard Brands Incorporated.