United States Stamp Values

1910-11 Washington-Franklin Single Line Watermark Perforated 12

The single line watermark (replacing the earlier, more oranate, double line watermark) was introduced in 1910. It was intended to produce less fragile stamps and be more uniform.

Denom.	Description	Mint	Used
1 cent	Franklin green	$10.50	$0.25
2 cent	Washington carmine	$10.50	$0.25
3 cent	Deep violet	$28.50	$1.80
4 cent	Brown	$47.50	$1.00
5 cent	Blue	$47.50	$0.70
6 cent	Red orange	$57.50	$0.90
8 cent	Olive green	$160.00	$13.75
10 cent	Yellow	$145.00	$4.75
15 cent	Pale ultramarine	$340.00	$16.75

1910 Single Line Watermark Imperforate

Denom.	Description	Mint	Used
1 cent	Franklin green	$3.65	$2.50
2 cent	Washington carmine	$6.50	$2.75

1910 Coil Single Line Watermark Perforated 12 Horizontal

Denom.	Description	Mint	Used
1 cent	Franklin green	$56.50	$20.00
2 cent	Washington carmine	$115.00	$70.00

1910 Coil Single Line Watermark Perforated 12 Vertical

Denom.	Description	Mint	Used
1 cent	Franklin green	$260.00	$95.00
2 cent	Washington carmine	$1,500.00	$410.00

1910 Coil Single Line Watermark Perforated 8 1/2 Horizontal

Denom.	Description	Mint	Used
1 cent	Franklin green	$7.50	$9.50
2 cent	Washington carmine	$52.50	$35.00

1910-13 Coil Single Line Watermark Perforated 8 1/2 Vertical

Denom.	Description	Mint	Used
1 cent	Franklin green	$36.50	$37.50
2 cent	Washington carmine	$65.00	$35.00
3 cent	Deep violet	$87.50	$50.00
4 cent	Brown	$87.50	$52.50
5 cent	Blue	$87.50	$50.00

1913 Panama-Pacific Perforated 12

Issued to promote the upcoming 1915 Panama Pacific Exposition this commemorative set pays tribute to the explorer Balboa and the openning of the Panama Canal.

Denom.	Description	Mint	Used
1 cent	Balboa	$23.50	$1.65
2 cent	Panama Canal	$28.00	$0.90
5 cent	Golden Gate	$110.00	$9.75
10 cent	Discovery of San Francisco Bay Orange	$315.00	$18.50
10 cent	Discovery of San Francisco Bay orange yellow	$175.00	$21.75

1914-15 Panama-Pacific Perforated 10

When the Post Office changed to a different perforation on this set to strengthen the sheets, many collectors did not add the stamps to their collections - the result being that the newer Perf 10 variety is significantly harder to find.

Denom.	Description	Mint	Used
1 cent	Balboa	$42.50	$6.00
2 cent	Panama Canal	$105.00	$2.75
5 cent	Golden Gate	$240.00	$16.00
10 cent	Discovery of San Francisco Bay	$1,275.00	$60.00

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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 holdings. 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.