I know my grandmother used it so I know 1950s - family immigrated here in the late 1920's, early 1930's, so not sure if it was brought with them or not.
Being the thickness of lamp bulb glass the temptation was irresistible to stack them 20 at a time in oblong boxes intended for vases, upon which they arrived as that much porcelain confetti.
In the 20th century china painting techniques became more like oil painting, with blended colors and designs in which attention to light gives three-dimensional effects.