File:Thomas Edison 3c 1947 issue U.S. stamp.jpg

Size of this preview: 551 × 600 pixels. Other resolutions: 220 × 240 pixels | 441 × 480 pixels | 706 × 768 pixels | 1,278 × 1,391 pixels.

Original file ‎(1,278 × 1,391 pixels, file size: 803 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

Description	English: Thomas Edison 3-cent 1947 issue U.S. stamp, released to mark the 100th anniversary of his birth.
Date	11 February 1947
Source	U.S. Postal Service; National Postal Museum: Thomas A. Edison Issue
Author	Bureau of Engraving and Printing.

Licensing

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.