Oval Coral and handmade Silver ring, vintage, probably from the 1950s, probably Italian. This Oval Coral and Silver ring is stamped on the inside of its slim band with a simple 800, the 800 denoting a Silver purity of 800 parts in 1000, or 80% Silver content, the other 20% being mostly copper.
The 800 standard was adopted by Germany in the 1870s; it became popular all over Europe save in England where the standard was, and had been for centuries past, 925. This 800 standard, with variations (830 or 835 in Scandanavia), attained in continental Europe up to the 1960s when the lure of business in the U.S., where the English 925 standard held, effectively supplanted it.
In Germany the 800 stamp was usually boxed, and often came with other hallmark stampings. In Italy, however, regulations were less stringent, both before and after WWII, and a simple 800 sufficed, and this is the case with the above Oval Coral and Silver ring.

It is more than likely that this simply handcrafted Silver ring set with a Mediterranean gemstone Coral of fine deep orange-red, was purchased by an English tourist in southern Italy some 75 years ago, a pretty, inexpensive and authentic momento, and taken back to England where it finally surfaced in the stock of a dealer in Antiques, and thence to this page.