Silver Byzantine Chainmaille Necklace

I bought the book "Great Wire Jewelry some time ago for the instructions on Viking Knit but liked the look of the Byzantine chainmaille in it. I kept thinking about making some and finally plucked up the courage to order silver jump rings from The Dragonfly Company.
Here's the finished article,
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I just about had enough rings, I'd bought 400. It took about 5 hours in total to make in three sessions and once I'd got the hang of the pattern it went quite smoothly. There are some tapered dangle earings to match the necklace so I might make them next, if I go ahead and order more rings.