Wheately, Denby, Cowan Art Pottery all in Green Matte Glaze

American and British, 20th century. Seven pieces of green art pottery, including a face mug and vase by Wheatley Pottery, unmarked; a Danesby Ware square-shaped bowl and candle holder by Denby Pottery, marked on undersides; a vase with flared rim by Cambridge Pottery, with acorn mark; a glazed vase with skinny neck by Pilkingtons Royal Lancastrian Pottery, marked on underside; a round bud vase by Cowan Pottery, marked on underside; and one unmarked shallow bowl with leaf motif; Cambridge vase ht. 6.25, dia. 6.25 in.