Most collectors consider the Imperial Jewels pieces to be stretch glass as there is no pattern. Imperial did not even refer to the line as Jewels, but included it in their Art Glass line. Even so, these pieces are quite popular with Carnival Glass collectors and often are found in Carnival Glass auctions. These often have Imperial's Iron Cross mark. Here are some typical prices:

Square bowl (above right), marigold, 9", 100 (2007)

Vases (above), purple, 6 1/2", 60; 5" 45 (both 2010)

Vase, 7" ruffled, purple, 45 (2009)

Centerpiece bowl, turned in, red, 200 (2008)

Sugar bowl (as upper left), red, 55 (2008)

Rosebowl, 4", red, 175 (2008)

Rosebowl, 8", marigold, 25 (2010)

Bowl, 10" round, amethyst, 45 (2007)

Vase, 5 1/2", marigold, 55 (2010)

Vase, 6 1/2", marigold, 40 (2010)

Vase, 8 3/4", 3 1/2" base, red, 350 (2006)