Vintage 12k GF Gold Filled Bamboo Floral Jade Nephrite Pin Brooch

Vintage stamped 12k gf brooch. Measurement in photo. I can't tell if the dark green stones are jade, nephrite?? Agate or jasper?? Has minimal GF loss to some edges, very hard to see and photograph. See last photo. Please look at all of my photos as they are part of the description. This is the item you will receive. All items are: As found, as is, as pictured & described, uncleaned condition. My closet includes jewelry; vintage, costume and new fashion designer. Gold silver tone chunky chains initial necklace bold pendant bracelet cuff stack ring earrings brooch stone rhinestone pearl crystal boho artisanal handmade ethnic southwestern y2k lagenlook