Your security is in the name : the thoughtful housekeeper will carefully examine the family bread... ask your baker for Brown's DM (Doctors' Manifesto) standard bread... / Charles Brown & Co.

Possibly a magazine insert. This shows a woman with brown hair, tied with a blue ribbon, dressed in a blue and white dress with a pink necklace examining half a loaf of bread against a greenish-grey background. This exists in at least two forms with different text on the back. In this instance the firm is based at Tower Bridge Mills, London and the text begins, "A genuine "Standard" sample loaf FREE (see coupon below)..."