Now showing: United States - Postage stamps (1930 - 1939) - 29 stamps.
10. February WM: None Perforation: Imperforated
![[National Stamp Exhibition - New York, USA, type ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/0577-b.jpg)
23. March WM: None Perforation: 11
![[The 300th Anniversary of the Founding of Maryland, type IW]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IW-s.jpg)
2. May WM: None Perforation: 11 x 10½
![[Mothers of America - Whistler's Mother, type IX]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IX-s.jpg)
![[Mothers of America - Whistler's Mother, type IX2]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IX2-s.jpg)
7. July WM: None Perforation: 11
![[The 300th Anniversary of the Arrival of French Explorer Jean Nicolet at Green Bay, Wisconsin, type IY]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IY-s.jpg)
![[The 300th Anniversary of the Arrival of French Explorer Jean Nicolet at Green Bay, Wisconsin, type IY1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IY1-s.jpg)
WM: None Design: Grand Canyon Perforation: 11
![[National Parks, type IZ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IZ-s.jpg)
![[National Parks, type IZ1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/IZ1-s.jpg)
![[National Parks, type JA]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JA-s.jpg)
![[National Parks, type JA1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JA1-s.jpg)
![[National Parks, type JB]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JB-s.jpg)
![[National Parks, type JB1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JB1-s.jpg)
![[National Parks, type JC]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JC-s.jpg)
![[National Parks, type JC1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JC1-s.jpg)
| No. | Type | D | Color | Description |
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| 581 | IZ | 1C | pale green | (84 mill) | 0.27 | 0.27 | 0.27 | - | USD |
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| 581A* | IZ1 | 1C | green | Imperforated | (3 mill) | 0.27 | 0.27 | 0.27 | - | USD |
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| 582 | JA | 2C | carmine red | (74 mill) | 0.27 | 0.27 | 0.27 | - | USD |
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| 582A* | JA1 | 2C | red | Imperforated | (3 mill) | 0.27 | 0.27 | 0.27 | - | USD |
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| 583 | JB | 3C | violet | (95 mill) | 0.27 | 0.27 | 0.27 | - | USD |
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| 583A* | JB1 | 3C | dark violet | Imperforated | (2 mill) | 0.53 | 0.53 | 0.53 | - | USD |
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| 584 | JC | 4C | brown | (19 mill) | 0.53 | 0.27 | 0.53 | - | USD |
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| 584A* | JC1 | 4C | brown | Imperforated | (2 mill) | 0.80 | 0.80 | 0.80 | - | USD |
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| 581‑584 | Set (* Stamp not included in this set) | 1.34 | 1.08 | 1.34 | - | USD |
WM: None Perforation: 11
![[National Parks, type JD]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JD-s.jpg)
![[National Parks, type JD1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JD1-s.jpg)
![[National Parks, type JE]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JE-s.jpg)
![[National Parks, type JE1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JE1-s.jpg)
![[National Parks, type JF]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JF-s.jpg)
![[National Parks, type JF1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JF1-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 585 | JD | 5C | blue | (30 mill) | 0.80 | 0.53 | 0.53 | - | USD |
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| 585A* | JD1 | 5C | blue | Imperforated | (2 mill) | 1.06 | 1.06 | 1.06 | - | USD |
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| 586 | JE | 6C | blue | (16 mill) | 1.60 | 1.06 | 0.53 | - | USD |
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| 586A* | JE1 | 6C | dark blue | Imperforated | (2 mill) | 2.13 | 2.13 | 2.13 | - | USD |
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| 587 | JF | 7C | black | (15 mill) | 0.80 | 0.53 | 0.53 | - | USD |
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| 587A* | JF1 | 7C | black | Imperforated | (2 mill) | 1.06 | 1.60 | 1.06 | - | USD |
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| 585‑587 | Set (* Stamp not included in this set) | 3.20 | 2.12 | 1.59 | - | USD |
WM: None Perforation: 11
![[National Parks, type JG]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JG-s.jpg)
![[National Parks, type JG1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JG1-s.jpg)
![[National Parks, type JH]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JH-s.jpg)
![[National Parks, type JH1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JH1-s.jpg)
![[National Parks, type JI]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JI-s.jpg)
![[National Parks, type JI1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/JI1-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 588 | JG | 8C | light green | (15 mill) | 2.13 | 1.06 | 1.06 | - | USD |
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| 588A* | JG1 | 8C | green | Imperforated | (2 mill) | 1.06 | 1.06 | 1.06 | - | USD |
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| 589 | JH | 9C | carmine red | (17 mill) | 2.13 | 1.06 | 0.53 | - | USD |
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| 589A* | JH1 | 9C | carmine red | Imperforated | (2 mill) | 1.60 | 1.60 | 1.06 | - | USD |
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| 590 | JI | 10C | black | (18 mill) | 4.26 | 2.13 | 0.80 | - | USD |
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| 590A* | JI1 | 10C | greyish black | Imperforated | (2 mill) | 3.19 | 3.19 | 2.66 | - | USD |
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| 588‑590 | Set (* Stamp not included in this set) | 8.52 | 4.25 | 2.39 | - | USD |
28. August WM: None Perforation: Imperforated
![[American Philatelic Society Issue, type ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/0591-b.jpg)
10. October WM: None Perforation: Imperforated
![[Trans-Mississippi Philatelic Exposition Issue, type ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/0592-b.jpg)
