Vintage Enameled Floral Brooch

Five petaled enameled brooch likely from the 50’s. 2 1/2” x 1 3/4”. Simulated pearl is prong set in center. Signed on reverse m, center petal. I see numbers and script but I cannot read it. Some edge wear but doesn’t detract from the beauty of this piece. Tones of orange, red, rust. Two leaves and stem below. Please message me with bundle requests.