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For the very best 20th century regular stamps, explore the vast array of stamps collected and curated by Collectors Corner. We work with the best auction houses and top dealers to find you authentic stamps, as verified by the Professional Stamp Experts. We offer fair prices for these hard-sought stamps and the price range varies for amateur collectors to professional philatelists.

20th Regular

Year Issued     Price    
Grade      Jumbo Only?
Last Changed Seller
Listing Type
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Item Count: 534
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Image Grade Description Price

0 Mint OGph
Scott# 300b, 1903 1c Blue green booklet pane, PSE Ungraded 0, Mint OGph

300b XF, LH, rarely ever found this well centered with deep vivid color. ...
Posted: 02/15/24

0 Mint OGph
Scott# 305, 1903 6c Claret, PSE Ungraded 0, Mint OGph

XF-S VLH, post office fresh, rich color, w/2024 PSE Certificate
Posted: 05/19/24

95 Used
Scott# 306, 1902 8c Violet black, PSE XF-Sup 95, Used

An exemplary stamp in all respects.
Posted: 04/02/20

95J Used
Scott# 306, 1902 8c Violet black, PSE XF-Sup 95J, Used

A superb example of the 1902 issue with this one being a jumbo!
Posted: 09/03/23

100 Mint OGph
Posted: 06/25/24

85 Mint OGnh
Scott# 308, 1902 13c Purple black, PSE VF-XF 85, Mint OGnh

XF for this, NH, (Graded VF-XF 85), no gum bends or skips (SMQ $200) w/20...
Posted: 12/04/23

95 Mint OGph
Posted: 06/20/24

90 Used
Scott# 309, 1903 15c Olive green, PSE XF 90, Used

XF, face-free cancel, hard to find this nice (Graded XF 90) (SMQ $70) w/2...
Posted: 01/10/24

80 Mint OGh
Scott# 310, 1903 50c Orange, PSE VF 80, Mint OGh

VF LH, fairly large margins, gorgeous color (Graded VF 80) (SMQ $400) 202...
Posted: 07/07/23

98 Mint OGph
Scott# 312, 1903 $2 Dark blue, PSE Superb 98, Mint OGph

SUPERB VLH, a magnificent example with mathematically perfectly centered ...
Posted: 11/15/23

95 Used
Scott# 313, 1903 $5 Dark green, PSE XF-Sup 95, Used

US SCOTT #313, Used-XF-Sup Graded 95 PSE Cert SMQ $3,500 (Was: $3,450 No...
Posted: 03/30/20

100 Mint OGnh
Posted: 09/19/19

100 Mint OGnh
Posted: 10/01/18

95 Mint OGnh
Scott# 315, 1908 5c Blue imperf, PSE XF-Sup 95, Mint OGnh

The SMQ shown is for an imperfect single. Extremely Fine- Superb. Large m...
Posted: 03/17/22

95 Mint OGnh
Scott# 315, 1908 5c Blue imperf, PSE XF-Sup 95, Mint OGnh

Virtually SUPERB NH pair with huge margins all around. No gum bends or sk...
Posted: 08/16/23

0 Mint OGh
Posted: 08/16/18

98 Mint OGnh
Scott# 319, 1903 2c Carmine type I, PSE Superb 98, Mint OGnh

SUPERB NH, a magnificent example, mathematically perfectly centered with ...
Posted: 03/19/24

80 Mint OGnh
Posted: 06/02/24

100J Mint OGnh
Posted: 10/01/18

0 Used
Scott# 331, 1908 1c Green, PSE Ungraded 0, Used

A gorgeous stamp with a face free cancel. Extremely Fine/Superb.
Posted: 09/05/13
Collectors Corner has Second Bureau, Washington Franklin, Fourth Bureau, Presidential Series and Liberty Series issues in our 20th century regular stamp inventory. Find stamps in great condition that will fill out your collection. Use our easy search tools to find the missing pieces that have may have eluded your collection for years. Our inventory is constantly being updated. Check back frequently to see if your favorite stamp or missing piece has been added to our collection. We carry other rare and collectible items such as currency, coins and cards that make us the best place on the web to stop for unique and authentic collector’s items.