- Age and condition: Older posters, especially those in good condition, are generally more valuable.
- Artist: Posters created by famous or well-known artists are typically more valuable.
- Subject: Posters depicting iconic Big Apple imagery or events, such as the Statue of Liberty or the 1964 World's Fair, are typically more valuable.
- Size and rarity: Larger posters and those that are rare or hard to find are generally more valuable.
- Originality: Original posters, as opposed to reprints or reproductions, are typically more valuable.
- Market demand: The value of Big Apple posters can also be influenced by market demand and collecting trends.
As a general guide, old Big Apple posters from the early 20th century can range in value from a few hundred dollars to several thousand dollars. However, some rare or highly desirable posters can sell for much more.
For example, a rare 1939 Big Apple poster promoting the World's Fair sold at auction for over $100,000. Ultimately, the value of an old Big Apple poster is determined by its individual characteristics and the willingness of buyers to pay.