An EBay seller, www.lewisclarkantiques.com is listing these and other "Nostalgic Reproductions" as Depression Glass and Collectible Kitchenware. They are neither.  Reproduction Royal Lace cookie jars (left) are being offered in the original colors of cobalt blue and pink.  They are now being reproduced in RED. Mayfair shakers  were never produced in red (right). Reproduction Mayfair cookie jars are being offered in non-original colors of emerald green, red and cobalt blue as well as in pink.

Update: To the list of reproduced Royal Lace items add water and juice tumblers.  NEW tumblers have a plain, patternless bottom.
 

CAVEAT   1:  Jennifer ("Cameo") miniature
CAVEAT   2:  Imitation "Jadite" Rolling Pins
CAVEAT   3: NEW Royal Lace cookie jars; NEW Mayfair shakers
CAVEAT   4:  Cracker Barrel Jadite
CAVEAT   5:  NEW "jadite" from Martha Stewart
CAVEAT   6:  NEW "Tiffin" Canes
CAVEAT   7:  An entire web site selling NEW "jadite" only
CAVEAT   8:  NEW "Candlewick" Made in Mexico
CAVEAT   9:  A Canadian site for DG repros
CAVEAT 10:  NEW Shirley Temple Milk Pitchers and MUGS
CAVEAT 11:  NEW Chinese Jadite