Τώρα εμφανίζεται Ηνωμένες Πολιτείες - Γραμματόσημα (1910 - 1919) - 7 Γραμματόσημα.
1. Ιανουάριος WM: 3 Διάτρηση: 12
![[Panama Pacific Exposition Issue, τύπος EL]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EL-s.jpg)
![[Panama Pacific Exposition Issue, τύπος EM]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EM-s.jpg)
![[Panama Pacific Exposition Issue, τύπος EM1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EM1-s.jpg)
![[Panama Pacific Exposition Issue, τύπος EN]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EN-s.jpg)
![[Panama Pacific Exposition Issue, τύπος EO]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EO-s.jpg)
![[Panama Pacific Exposition Issue, τύπος EO1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EO1-s.jpg)
| Νούμερο | Τύπος | D | Χρώμα | Περιγραφή |
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| 338 | EL | 1C | ΠΡΑΣΙΝΟ | (200 mill) | 42,18 | 15,82 | 1,58 | - | USD |
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| 339 | EM | 2C | ΚΑΡΜΙΝΙΟ | (300 mill) | 42,18 | 15,82 | 0,79 | - | USD |
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| 339a* | EM1 | 2C | ΛΙΜΝΗ ΚΑΡΜΙΝΙΟΥ | 2 636 | 1 265 | 42,18 | - | USD |
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| 340 | EN | 5C | ΜΠΛΕ | (15 mill) | 184 | 84,35 | 10,54 | - | USD |
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| 341 | EO | 10C | ΠΟΡΤΟΚΑΛΙ ΚΙΤΡΙΝΟ | (4 mill) | 263 | 131 | 21,09 | - | USD |
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| 341a* | EO1 | 10C | ΠΟΡΤΟΚΑΛΙ | (5 mill) | 527 | 210 | 15,82 | - | USD |
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| 338‑341 | Τοποθετώ/Ορίζω (* Stamp not included in this set) | 532 | 247 | 34,00 | - | USD |
WM: 3 Διάτρηση: 8½ Vertically
![[Coil Stamp, τύπος DW57]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW57-s.jpg)
