Bvlgari serpenti Green Snakeskin

Hi Ladies! I have my heart set on a green snakeskin bvlgari serpenti bag. I have no idea what I am doing as I am new to the rep world. I found the bag I want on Scarlett Luxury. Is this a reputable seller? Would the next step be to contact the seller through What App? Looks like the price is 1980 yuan which is about $275. I would appreciate any suggestions or advice.