Tiffany & Co.
For AS x JM, being in a long-distance relationship makes their love stronger. Post a photo that represents your love and caption it with both your initials and #BelieveInLove. Keep an eye on our Instagram Stories—we’ll be reposting our favorites.
Source : https://www.instagram.com/p/bf4heveac7h
Does this belong to you Or do you know who sells it ?