Photo grading guide
The following stamp images and their associated relative centering grade are to show, in visual terms, what is meant by each grade. Faults and their affect on the overall GRADE are NOT factored into the examples below.
1847–1856
Imperforate Issues
US# 1–17
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1847–1856
Imperforate Issues
US# 1–17
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1857–1861
Perf. 15 Issues
US# 18–39
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1857–1861
Perf. 15 Issues
US# 18–39
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1861–1875
Perf. 12 Issues
US# 63–111
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1861–1875
Perf. 12 Issues
US# 63–111
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1869–1880
Perf. 12 Pictorial Issues
US# 112–133a
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1869–1880
Perf. 12 Pictorial Issues
US# 112–133a
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1870–1888
Perf. Issues
US# 134–218
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1870–1888
Perf. Issues
US# 134–218
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1893
Columbian Issue
US# 230–245
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1893
Columbian Issue
US# 230–245
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1898
Trans-Mississippi Expo Issues
US# 285–293
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1898
Trans-Mississippi Expo Issues
US# 285–293
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1901
Pan American Expo Issues
US# 294–299
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1901
Pan American Expo Issues
US# 294–299
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1902–1908
Regular Issues
US# 300–313
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1902–1908
Regular Issues
US# 300–313
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1909–1930
Regular Issues
US# 331–546
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1909–1930
Regular Issues
US# 331–546
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