File:50 USD Series 2004 Note Back.jpg

本预览的尺寸：800 × 338像素。其他分辨率：320 × 135像素 | 640 × 271像素 | 1,024 × 433像素 | 1,280 × 541像素 | 2,560 × 1,083像素 | 7,341 × 3,105像素。

原始文件 ‎（7,341 × 3,105像素，文件大小：17.94 MB，MIME类型：image/jpeg）

本文件并非来自中文维基百科，而是来自维基共享资源。请参阅维基共享资源上的详细描述、讨论页、页面历史、日志。

维基共享资源是一个储存自由版权作品的项目。您可以向此项目作出贡献。

许可协议

Public domain

This image depicts a unit of currency issued by the United States of America. If this is an image of paper currency or a coin not listed here, it is solely a work of the United States Government, is ineligible for US copyright, and is therefore in the public domain in the United States.
Fraudulent use of this image is punishable under applicable counterfeiting laws.

As listed by the the U.S. Currency Education Program at money illustrations, the Counterfeit Detection Act of 1992, Public Law 102-550, in Section 411 of Title 31 of the Code of Federal Regulations (31 CFR 411), permits color illustrations of U.S. currency provided:
1. The illustration is of a size less than three-fourths or more than one and one-half, in linear dimension, of each part of the item illustrated;
2. The illustration is one-sided; and
3. All negatives, plates, positives, digitized storage medium, graphic files, magnetic medium, optical storage devices, and any other thing used in the making of the illustration that contain an image of the illustration or any part thereof are destroyed and/or deleted or erased after their final use.
Certain coins contain copyrights licensed to the U.S. Mint and owned by third parties or assigned to and owned by the U.S. Mint [1]. For the United States Mint circulating coin design use policy, see [2]; for the policy on the 50 State Quarters, see [3].

Also: COM:ART #Photograph of an old coin found on the Internet

本文件显示的是钱币的完整或部分图像。

虽然本文件属于公有领域或者不受著作权保护，但是对它的使用可能受到著作权法以外其他法律法规的限制。

文件历史

点击某个日期/时间查看对应时刻的文件。

	日期/时间	大小	用户	备注
当前	2019年5月15日 (三) 05:03	7,341 × 3,105（17.94 MB）	User-duck	Cropped out white border using CropTool with lossless mode.
	2013年4月17日 (三) 04:59	7,727 × 3,436（18.77 MB）	Bluepjs23	Reverted to version as of 20:14, 5 June 2007
	2007年11月13日 (二) 11:29	535 × 221（27 KB）	Daniel.Bryant	Replacement to include "specimen" over image, pursuant to OTRS #2007110910016335. ~~~~
	2007年6月5日 (二) 20:14	7,727 × 3,436（18.77 MB）	Parhamr
	2007年3月16日 (五) 02:13	537 × 241（87 KB）	Jomegat	{{Information \|Description=Downloaded from U.S. Bureau of Engraving and Printing \| New Money \| Media Center: http://www.moneyfactory.com/newmoney/main.cfm/media/download For usage restrictions, see: [http://www.moneyfactory.com/newmoney/main.cfm/currenc