Service of 6 dish plates 6 deep plates enameled terracotta 1970s edge

Set of 6 flat plates and 6 hollow plates in enamelled terracotta with color highlights on the edges, handicraft work from the 60s I think, a mark on the bottom of a hollow, they are heavy, flat 24.5 in diameter hollow 20.5 in diameter pale veilt gray tone in the center and dark edges, beautiful shapes, slightly crooked for hollows.