MPX5129828: Post Second World War - Ration books were starting to be used for potatoes. The square in "Panel 3" on the back was to be cancelled by the greengrocer. In the buff and blue ration books (R.B.1 and R.B.4) each square was worth 3 lbs, in the green and grey books (R.B 2 and R.B.7) each square was worth 1.5 lbs, 10/11/1947 (b/w photo) / Bridgeman Images