Hollow Swallow Charm Necklace - Brand New - Gift Boxed Hollow Swallow Necklace Brand new in gift box. A cute antiquegoldtoneHollow SwallowCharm Necklace. Thependant measures2.2cm x 2.5cmand is hung on a 18"matchingchain. All our jewellery is handmade/handbuilt here and is unique. We don't mass produce.