This is for the butter lid only (no base plate ). Mascotte aka / minor block, dominion. Made by Ripley & Co. Circa 1884.
5 3/4" diameter - 4 1/2" H
There are 2 noticeable air bubbles on the lid ( pic 3,4 ) And a few places of roughness to the exterior pattern upon removal from the mold (pic 6,7).
As with glass from this era minor straw marks/ mold roughness and air bubbles may be present.