Estate sales can be a treasure trove of valuable items, if you know what to look for. Here are some of the best things to look for at estate sales that could be valuable:

1. Artwork – Estate sales often have a large selection of artwork, including paintings, sculptures, and prints. Look for pieces that are signed or have provenance, as these can be worth significant amounts of money.

2. Jewelry – Look for vintage and antique jewelry, as well as pieces made from precious metals like gold and silver. Be sure to check the quality and authenticity of stones and metals, as well as any engraving or markings.

3. Collectibles – Estate sales often offer a wide range of collectibles, such as stamps, coins, and baseball cards. Look for rare or limited editions, as well as items that are in excellent condition.

4. Books – Estate sales can be a great source of rare and first-edition books. Look for books that are signed by the author, have limited print runs, or are part of a series or collection.

5. Furniture – Look for antique and vintage furniture pieces that are in good condition. Check the upholstery, hardware, and overall quality of the piece. Look for brands or makers that are known for high-quality craftsmanship.

6. Musical Instruments – Estate sales may also offer a selection of musical instruments, such as guitars, pianos, and violins. Look for instruments that are in good condition, have a desirable brand or maker, or have unique features.

7. Silverware – Timeless and sophisticated, silverware can impress guests with its shine and beauty. Check the quality marks, engraving, and the overall condition of the silverware sets.

8. China and Glassware – Look for china and glassware that are antique or vintage in the styles that are limited edition or had limited production runs, as these can be worth a lot of money.

9. Vintage Electronics – Look for vintage electronics like old cassette players, radios, cameras, and typewriters. Items that are still functional and in good condition may be highly valued by collectors.

10. Clothing and Accessories – Estate sales often offer a selection of vintage and designer clothing and accessories. Look for pieces that are in good condition, made by high-end designers, or are part of a limited collection.

In conclusion, estate sales can be a great opportunity to find unique and valuable items that can enhance your collection or home decor. With a keen eye and some knowledge of what to look for, you can score some great finds at estate sales.