The locket or “wish box pendant” is what makes this necklace special. Allison has linked to her supplier and I was surprised at how many different “wish box pendants” they had (and how reasonable the cost). Also, Quiet Lion has some of the most beautiful and imaginative photographs of jewelry - so if you are interested in that, I’d check out her site.
This DIY will teach you how to make a bead dangle/wire wrapped headpin.
If you are looking for basic to advanced wire work jewelry tutorials or great tips on selling jewelry (online, craft fairs, etc…) this is an excellent site. Seriously, I was just scrolling through her posts for over an hour.