Compare the pictorial mark to a chart of Reed & Barton date code marks.
One can be found at the Online Encyclopedia of Silver Marks, Hallmarks and Maker’s Marks (see Resources).
Dating silver plate marks
Since these could vary considerably in purity, from around .750 millesimal fineness to around .900, silver known as "coin silver" varies in purity.
Silver at that time was sometimes marked "COIN" or "PURE COIN", but can also be without a standard mark altogether.
Like most silver products, Reed & Barton silverplate pieces feature hallmarks that help you to identify it.
From 1928 to 1957, pictorial marks representing the year were added to the hallmark, which can further help to date a piece.
Meanwhile, a hexagonal frame represented 900 fine silver.
This same system was also used to frame gold hallmarks.Both pieces also have a Duty Mark (Queen Victoria).The French assay mark for sterling silver is the head of the goddess Minerva.These five nations have, historically, provided a wealth of information about a piece through their series of applied punches.Since 2015 visually identical UK Hallmarks are being struck in India and Italy by sub-offices of Birmingham & Sheffield Assay Offices respectively: London assay office hallmarks on the back of a waiter, or small square salver.In the early United States, no national assaying system was adopted, although the city of Baltimore did maintain its own assay office between 18.