THE BACK STAMP SAYS THE PLATE WAS MADE BEFORE 1930. IN 1930, THE ADDED THE PHRASE” MADE IN AMERICA” TO BACK STAMP. LENOX MADE MANY CUSTOM ORDER ITEMS BEFORE 1947, UNNAMED PATTERN IDENTIFIED BY NUMBERS AND LETTERS PAINTED ON BACK. THESE PLATES HAVE 1830/e306b… GIVEN THE NO MADE IN USA MARK AND CODE.. VERIFIES PLATES MADE BEFORE 1930. THE UNNAMED CUSTOM ORDER PATTERNS WERE USUALLY CREATED USING THE COSTLIESTDECORATING PROCESSES, INCLUDING COLORED BACKGROUNDS, RAISED GOLD PASTEWORK, WIDE ETCHED GOLD BORDERS, AND DELICATE HAND PAINTING. MANY USE THESE TYPES OF PLATES FOR WALL ART.. WE NEVER ATE OFF THEM… THEY WERE ALWAYS WALL ART. WILL NOT BREAK THE SET. EACH PLATE IS PACKED IN FOAM/WRAP, ENCLOSED IN ITS OWN BOX, THEN EACH PLATE BOX INCLOSED IN ANOTHER BOX, ADDITIONAL PADDING… BUT IF BROKEN, DAMAGED BOX…