This book seems to be a good reference guide. There is a couple page value guide. It has a lot of old price ads, and lots of pictures. Good used condition.

  This book is a must-have for anyone interested in Victorian glassware. It provides a comprehensive encyclopedia of colored pattern glass from the United States, covering various styles and techniques used during that period. The publication year of 1978 makes it a vintage item that is sure to add value to any collection.