Two stylized flowers and two leaves brooch by Serafin Moctezuma has been added to a sterling collar. with a sterling brooch converter. The converter is removable and the brooch or collar can be worn separately. The brooch is 2 3/4" wide by 1 3/4". Sturdy safety clasp. Marked SM (conjoined) in a circle of Hecho in Mexico 925 with Taxco underneath. Made before 1948. The newer sterling collar is 13 1/2" end to end with an opening of 2 1/2" (straight line). Fits me like an 18" necklace, which is my preferred length. Excellent vintage condition.