1. Online Marketplaces:
- eBay: Search for "The Early 40s These Were Our Songs" on eBay to find current listings and completed sales. This can give you an idea of the market value of the box set.
- Amazon: Check the Amazon listing for "The Early 40s These Were Our Songs" to see the current price and availability.
- Discogs: Discogs is a marketplace dedicated to music collectibles. You can find listings for the box set and see recent sales prices.
2. Record Stores and Online Retailers:
- Local Record Stores: If you have local record stores in your area, you can visit them to inquire about the box set's availability and price.
- Online Retailers: Check online music retailers such as Amoeba Music, Barnes & Noble, or independent music stores that specialize in vintage or collectible items.
3. Collector's Websites and Forums:
- Specialized Collector's Websites: There are websites and forums dedicated to collecting music memorabilia. These communities may have information on current prices and value estimates.
4. Bookstores:
- Used Bookstores: You might find the box set in used bookstores or thrift stores at a lower price.
Remember, the price of the box set can fluctuate based on factors such as its rarity, demand, and condition. If you're unsure about the value, it's a good idea to consult with a reputable music collectibles dealer or expert to get an accurate appraisal.