This candlestick is Gundersen Glass Works, New bedford ,Ma "Waterfall". Made circa 1940's
"The referenced book is:
"Peachblow Glass" by Sean and Johanna S. Billings; pub 20000 krause publications ISBN 0-87341-971-5
The item is pictured on page 109. Description reads " these are Gundersen's waterfall candlesticks ......."
Company info: Gundersen Glass Works, New Bedford, MA.
(refering to peachblow production 1940s-1957)
A quick glance through the book indicates Gundersen became Gundersen-Pairpoint then Pairpoint"
The gallery listing was misleading so I corrected it.