Three Vintage Marked Oyster Plates

The first is circa 1930s, Austrian, with raised dot decoration, stamped "Altrohla" (8 1/4 in.), the second is stamped "CFH" Limoges, late 19th century, delicately hand painted with an underwater scene, the third stamped "Spode / Imp / England" early 20th century.

Good condition; one with center cap possibly glued later.