Colony Glass was a glass manufacturing company that operated in the United States during the 20th century. They were known for producing a variety of glassware items, including milk glass pieces. Milk glass is an opaque or translucent glass that is typically white but can also come in other colors.

The Harvest pattern, featuring grapes and leaves, was a popular design for milk glass items during the mid-20th century. These pieces were often produced as part of larger sets, including pitchers, glasses, and other serving pieces. Colony Glass pieces, especially those in the Harvest pattern, are collected for their vintage appeal and nostalgic charm.

These pieces are reminiscent of mid-century American households and evoke a sense of nostalgia for simpler times. The Harvest pattern, with its raised grape and leaf design, adds a touch of elegance to any table setting. While not extremely rare, these milk glass pitchers are sought after by collectors and those looking to add a vintage touch to their home decor.