160 Year Old (1866 dated) Flow Blue Minton Oval Dishes

Minton Antique 1866 Oval Dishes with Flow Blue 2 oval blue and white dishes One has crazing, one not The crazed one is slightly thinner than the non-crazed dish. Excellent condition for age, no cracks or chips, but edges show wear. The stamp on back is coded for date of manufacture. I did decode it once, and knew month and day, but lost that information. The year is correct.