Are artists proofs worth more?

Related questions

1. Are prints worth anything?
2. What is dry point etching?
3. What acid is used for etching metal?
4. What is a Rembrandt etching?
5. What is dentin primer?
6. Are offset lithographs valuable?
7. What is the difference between serigraph and giclee?
8. How does Nital etch work?
9. What is the purpose of etching?
10. What does acid etch do to enamel?

Tags

1. #proof
2. #their
3. #signed
4. #generally
5. #artist
6. #higher
7. #edition
8. #editions
9. #status
10. #resale
11. #serial
12. #proofs
13. #value
14. #collecting
15. #numbered
16. #considered
17. #portion
18. #world
19. #number
20. #proportionally
21. #symbol