This large P is the mark for Pairpoint. The P is inside a hexagon which is inside a diamond. The Pairpoint factory was directly beside Mount Washington Glass Works.
![P Mark in Diamond for Pairpoint P Mark in Diamond for Pairpoint](http://www.mtwashingtonglass.com/wp-content/uploads/2012/09/mt-washington-glass-mark-11.jpg)
Thank you! -MtWashingtonGlass.com Team
This large P is the mark for Pairpoint. The P is inside a hexagon which is inside a diamond. The Pairpoint factory was directly beside Mount Washington Glass Works.