The plate is 10 1/2"; Foot 3 3/8"; Collar 2 7/8"; Stem six sided 3/4" w/ ring; Handle 2 3/8" wide by 4 1/4" tall.
Additional measurements; height of stem to bottom of "V" 1 3/4"; inside width of handle 1 7/16"; height of inside of handle 1 11/32". stem 5/8" & 6 sided
Although the experts agree that the measurements of this tray match those of Liberty, the decoration is very un-Liberty like. I will leave here until further evidence one way or the other comes along.