An old stove can range anywhere between $100 to $500. It's worth is determined by the condition, size, design, and novelty. Some might cost even thousands of dollars. On 1stDibs, find a variety of antique and vintage stoves.

Jøtul is one of the world's oldest producers of stoves, inserts and fireplaces.

Many old wood stoves, especially those constructed from cast iron, will feature a patent somewhere on the stove. Look for a series of numbers, sometimes preceded by the letters "PAT." Note the patent number and look it up at the United States Patent Office. You can find information on any patent issued after 1790.