18th Century Portuguese Paste Necklace. Fine white foiled black dot paste stones. Original ribbon tie fittings allows for adjustable wear. French silver import marks on ribbon fittings. Late 18th century. Necklace measures 16.5" in length from end to end (ribbons at each end are not included in this measurement). Circa 1770-1800. Very good condition. See a similar piece at the V&A Museum in London.
Removable paste pendant measures 3.75"L x 2.13"w.
Similar examples and further reading can be seen in the book "Antique Paste Jewellery" by M. D. Lewis.