Richelieu fleur de lis pattern dinner plates, vintage Homer Laughlin blue & white china

Vintage china with blue and white fleur di lis pattern, unmarked - mid century vintage Homer Laughlin pottery?

There's an oval platter, a large round platter or chop plate (about 12" in diameter), and four 10" diameter dinner plates in this lot.

These are all in very nice condition without chips or cracks, with very little if any scratching.