Noticed recently: plates hung backward on the wall, which adds an interesting visual note to wall groupings.
Above: Image via Paonote Room 269.
Above: Image via Vt Wonen.
Above: Deborah Sears of Isis Ceramics in Oxford pays as much attention to the backs of her plates as to the fronts (she even offers bespoke pieces painted with monograms, dates, brief messages on the back).
Above: Vintage plates from Le Grenier in Japan with appealing markings.