They are all fully marked on the base with the Royal Doulton stamp and the reference number. I have included lots of photos, including photos of the back stamp. DBH66 OFF TO PICK MUSHROOMS. DBH16 CLOVER; there is a very shallow chip on the underside of the base, possibly how it was made (see photo).

BRAMBLY HEDGE: DBH5 LADY WOODMOUSE
Brand: Royal Doulton
Type: Figurine
Material: Bone China
Product Line: Brambly Hedge