Plate Assay Act, 1783

Gold wares herein not subject to said mark or stamp, rings, &c.

or articles not weighing 6 penny wt. of gold each.

VI. Provided always, and it is hereby declared and enacted, That nothing in this act contained, shall oblige any of the following wares made of gold, (of any one of the three standards aforesaid) to be marked by the maker, or stamped at either of the assay offices aforesaid, namely, rings, collets for rings, ear-rings, necklace beads, lockets, ferril necks of bottles, pocket-book clasps, any jointed stock clasps, rims of snuff-boxes, whereof the tops or bottoms are made of shell, tortoiseshell, ivory, wood, crystal, or stone, any filligrane work, any sorts of tippings or swages on shell, tortoiseshell, ivory, wood, crystal or stone cases, any mounts, screws or stoppers to stone, crystal or glass bottles or phials, or any small or slight ornaments put to amber or other eggs, or urns, or any manufacture of gold so covered on all sides with amel or enamel, as not to admit of any assay to be taken thereof, and the marks and stamps aforesaid, to be struck thereon, or such other things as by reason of their smallness or thinness are not capable of receiving the marks aforesaid, or such other manufactures as do not weigh six penny weights of gold each.