Mail and Migration (for Educators)
Primary or Secondary Sources?

Railway System Stamps

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3-cent Ultramarine Locomotive Re-Issue stamp

This is a primary source for 19th century Railway Systems.

 
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4-cent Brown Lincoln Panama-Pacific Die Proof

This stamp is a primary source because it was used on mail that traveled by train.

 
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2-cent Locomotive stamp

What about this stamp? Is it primary or secondary? Explain your answer.

Mail and Migration (for Educators)