United States Stamp Values


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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.

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