Circa 1936-1938: Inside Bottom Rings— It is the #5 Fiesta nesting bowl that really starts to take on some size, large than the standard 8" kitchen bowl, the #5 begins to command a presence. This example with the inside bottom rings is in very good condition. Nicely marked on the bottom with the early"fiesta HLCo USA 5". Measures 8 9/16" w x 5 11/16h"