Sterling silver wedding band style ring: 938,700 ppm Silver & 52,000 ppm Copper (+ Tin, Vanadium & Barium.)
Moogco Sterling Silver Protective Nursing Cups: very pure Silver (938,000 ppm Silver!) Did you know that historically these were made of LEAD?!
Sterling silver Wendell Manufacturing Co. baby spoon, c. 1895-1900: 1,677 ppm Lead in the handle. 90 is unsafe.
Vintage Sterling China Cup & Saucer: 37,500 ppm Lead. All Sterling China I’ve tested has had unsafe levels of Lead.
Vintage Tiny Collectable Rolex Bucherer of Switzerland Spoon: 975,000 ppm Silver (more pure than 925), no LEAD!
Vintage 1950s Silverware, Blossom Time: Lead-free! Vintage (but not antique!) sterling silver is generally a safe choice.