Coffee or tea service, in sandstone, signed the Argonauts, 60s

Stoneware coffee or tea service signed the argonauts, dating from the 60s. It includes 6 cups, 6 under cups, 1 milk jar, 1 sugar bowl and 1 coffee maker (or teapot). Set in very good condition, very clean, having never served. Dimensions: cups height 5.5 cm and upper diameter 8.5 cm // under cups diameter 14 cm // milk jar height 13 cm and diameter max 6 cm // sugar bowl height 5 cm and greater diameter 10 cm // teapot (or coffee maker) height max 17 cm, diameter max 15 cm and length with plug 20 cm.