Pair of milk jars Yvon Roy 50s

Pair of ceramic milk jars by yvon roy. Production of the 50s. Same shape but the color differs. The first an intense yellow with black interior, the second an intense and shiny black with burgundy interior. Yvon roy is a ceramist who settles in durtal where he founds a ceramic factory which will then be managed by monsieur de montgolfier to develop production. Signed under the base for the two yvon roy pots. In perfect condition, no crack or shine. Clean.