1916-19 Rotary Coil Unwatermarked Perforated 10 Horizonal
| Denom. | Description | Mint | Used |
| 1 cent | Washington green | $1.15 | $0.75 |
| 2 cent | Carmine Type II | $17.75 | $7.75 |
| 2 cent | Carmine Type III | $3.35 | $2.00 |
| 3 cent | Violet Type I | $6.50 | $1.85 |
1916-22 Rotary Coil Unwatermarked Perforated 10 Vertical
| Denom. | Description | Mint | Used |
| 1 cent | Washington green | $0.70 | $0.45 |
| 2 cent | Carmine Type II | .. | $575.00 |
| 2 cent | Carmine Type III | $12.00 | $0.75 |
| 3 cent | Violet Type I | $20.00 | $3.75 |
| 3 cent | Violet Type II | $15.00 | $1.50 |
| 4 cent | Orange brown | $14.50 | $4.25 |
| 5 cent | Blue | $4.50 | $1.20 |
| 10 cent | Franklin orange yellow | $45.00 | $12.50 |
1917-19 Flat Plate Unwatermarked Perforated 11
The 1917-19 flat plate issue contains several interesting items. The five cent rose error was created when a five cent transfer roll was accidentally used to re-enter three subjects on two cent plate. Also listed in this series is the two cent double line watermark Washington stamp. This variety was created when the Post Office took unused stocks of imperforate sheets with "TWO CENTS" spelled out and reissued them perf 11. 1918 saw the introduction of $2 and $5 denominated Franklins. The stamps were wider than the regular issues and bicolor.
| Denom. | Description | Mint | Used |
| 1 cent | Washington green | $0.60 | $0.25 |
| 2 cent | Carmine Type I | $0.60 | $0.25 |
| 2 cent | Deep rose Type Ia | $425.00 | $215.00 |
| 3 cent | Light violet Type I | $16.50 | $0.35 |
| 3 cent | Dark violet Type II | $20.75 | $1.25 |
| 4 cent | Brown | $15.00 | $0.35 |
| 5 cent | Blue | $13.00 | $0.35 |
| 5 cent | Rose Error | $525.00 | .. |
| 6 cent | Red orange | $19.50 | $0.40 |
| 7 cent | Black | $37.50 | $1.15 |
| 8 cent | Franklin olive bistre | $16.50 | $0.75 |
| 9 cent | Salmon red | $19.50 | $2.00 |
| 10 cent | Orange yellow | $25.00 | $0.25 |
| 11 cent | Light green | $13.50 | $2.50 |
| 12 cent | Claret brown | $13.50 | $0.45 |
| 13 cent | Apple green (1919) | $15.00 | $5.75 |
| 15 cent | Gray | $56.50 | $1.40 |
| 20 cent | Light ultramarine | $65.00 | $0.50 |
| 30 cent | Orange red | $55.00 | $1.40 |
| 50 cent | Red violet | $90.00 | $0.75 |
| 1 dollar | Deep brown | $2,250.00 | $875.00 |
| 1 dollar | Violet brown | $72.50 | $1.50 |
| 2 cent | Carmine Double-line Watermark | $700.00 | .. |
| 2 dollar | Orange red & Black (1918) | $1,025.00 | $225.00 |
| 5 dollar | Deep green & Black (1918) | $400.00 | $32.50 |
These prices for U.S. stamps are provided as a service to Hobbizine readers. They are derived from numerous sources such as dealer price lists, advertisements in philatelic publications, and public auction results. Use these values as a guideline for evaluating the reasonableness of dealer prices, setting up trades with other collectors, and estimating the worth of your collection. The value of an individual stamp is dependent on its centering and condition. The prices listed here are for well centered, undamaged stamps. A particularly nice example might sell for more than the amount listed, while a poor copy might be worth less.
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