This 19th-century, quart-sized Mason glass jar is filled to the brim with a collection of assorted glass marbles. The jar is embossed with the text, "Mason's Patent Nov 30th 1858." It measures approximately 7 3/8 in. H x 3 5/8 in. W x 3 5/8 in. D. The piece shows some wear to the surface and a hairline crack on one side, consistent with age and handling.