Set of 4 Antique Creil Et Montreau Transferware deals plates

Set of 4 antique Creil Et Montereau French black (polychrome) transferware plates. Marked on the back Creil Et Montreau Medailles D'or L.M. & Co. 1854-39-44 et deals 49 Porcel. opaque. Impressed letters GP, 6D on 2 plates. numbered No 5, No 12, No 8, No 4. 7 1/2" in diameter. 3 plates have chips on the back side, 1 plate has a hairline crack and there is wear, small chips, surface scratches and cracalule to the backs due to age. very slightly scalloped edges. pre owned.