Circa 1969-1973: Collectors of Vintage Fiesta pottery will rejoice at the last few pieces that were specially designed for the Ironstone line. The new casserole, showcased tabbed handles, plenty of rings and the new modern knob. Produced only in the antique gold, the Ironstone casserole is one of the last large pieces of Fiesta holloware made. As with all Ironstone, unmarked.