VINTAGE RARE--ENAMEL BROOCH Lot Yellow

two beautiful different size enamel brooch they have a little marking in the back but I cannot make up the brand they are both beautiful one of them is a little bit biger than the other one in great condition there are a little bit in the heavy side but I cannot tell if what's in the middle is silver or it's just a color silver but both very beautiful great condition found at a state sale