Cobalt Blue Miniature Oil Lamp Value Guide

This mid-20th century cobalt blue miniature oil lamp is a classic example of post-WWII Japanese glass production designed for the Western export market. Often referred to as 'Handy Lamps' or 'night lamps,' these pieces are highly collectible for their deep pigment and functional brass burner assemblies.

What affects the value of Cobalt Blue Miniature Oil Lamp?

• Condition of the glass, specifically checking for chips around the burner threads or base rim.
• Completeness of the unit, including the original wick, burner, and presence of a matching glass chimney.
• Functionality of the brass adjustment knob and the integrity of the metal components.
• Market demand for specific mid-century Japanese export glass colors and styles.

How to Identify Cobalt Blue Miniature Oil Lamp?

• Check the base for 'Made in Japan' embossed marks or original paper labels common for the 1940-1960 era.
• Examine the glass for the distinct pressed mold lines characteristic of mass-produced mid-century cobalt glass.
• Verify the presence of the original brass collar and burner assembly, which should fit the small-scale threaded neck.
• Look for the deep, translucent 'cobalt' blue hue that remains consistent throughout the glass body.

History of Cobalt Blue Miniature Oil Lamp

Miniature oil lamps, often referred to as 'finger lamps' or 'night lamps' in earlier periods, gained popularity in the late 19th and early 20th centuries as supplemental light sources or decorative novelties. This specific style, often called a 'Handy Lamp' or similar, represents mid-20th century production. Many examples like this one were mass-produced in Japan post-World War II for import into Western markets, capitalizing on the continuing appeal of brightly colored glass household items.