The original concept of the emerald-green "Emeralite" banker's lamp dates all the way back to 1909, production of the authentic glass-shaded versions officially ceased in 1962. This specific piece is a high-quality vintage reproduction from the decades immediately following. Based on the internal hardware and specific components, this replica banker's lamp was manufactured between the mid-1970s and 1980s.
The text on the switch shows "IND. LAB. INC. LIST." and "WW-028", verifying that the component is a certified Underwriters Laboratories (UL) safety-tested inline rotary switch.
The underside reveals a heavy cast iron weight base with a plastic wire nut connection, confirming a mid-to-late 20th-century construction.
For a 1970s–1980s reproduction banker's desk lamp in good working condition, the fair market value typically ranges between $60 and $125 on secondhand marketplaces.
