Coombes Dairy Milk Bottle – Abertillery Coombes Dairy Milk Bottle – Abertillery. A Coombes Dairy milk bottle. Embossed with – Coombes Dairy on the front of the bottle with Abertillery embossed on the rear. Made from glass. Size 8 1/2″ x 3″ inches – 20floz = 1 pint.