Offered in this lot are two necklaces of Dutch Vaseline fluorescence trade beads. Dating back to as early as 1830, Vaseline beads were originally attractive, greenish-yellow glass beads whose pretty color is attributed to the presence of uranium salts. These beads tend to fluoresce under ultraviolet light and turn a violent green. The first necklace is strung on natural twine. The beads are a large round/oval and swirled yellow. The beads measure an average 3/4" X 1/2". There are 30 beads on this necklace that measures 22 1/2". The next necklace is made of green and yellow swirl colored beads and disks. This necklace is 19 1/2" long. The disks and beads are strung on a modern wire and clasp, however these beads have a very bright fluorescence, dating them from 1830-1915. There are 14 "beads" and 92 "disks". The beads are ¼” x 3/8” and the disks are 3/16" X 3/8". Today, Vaseline beads still retain their special significance as highly prized African trade beads. Both of these necklaces are in very good condition.