A flange attached to a hinged lid, which when pressed by the thumb raises the lid.
Antique Pewter Tankard, American Pewter, English Pewter, Plates, Flagon, Porringer,
Ewer a Spouted Flagon Of Cologne Type With Flat Heart-Shaped Lid
Continental Pewter Covered Jug, Baluster Shaped With Shell Thumb Piece
Jug, Ca 1750 – Objects – Collection Of Cooper Hewitt, Smithsonian Design Museum
Hot Milk Pot, France, Ca.1746-1749, Silver