Possible Selling Platforms and Estimated Prices:
1. Online Marketplaces:
2. Used Bookstores:
3. Book Resellers:
Additional Factors Affecting Value:
- Condition: The overall condition of the set, including any wear, stains, or missing/torn pages, will affect its value.
- Binding: If any volumes have loose or damaged binding, it may reduce the set's worth.
- Dust Jackets: If the original dust jackets are included and are in good shape, this could enhance the set's value.
It's worth noting that due to the digital age and internet accessibility, the demand for physical encyclopedias has generally decreased. This can impact the selling price, especially for older sets that may not be seen as up-to-date with current information.