Guidelines and Restrictions for Use of Copyrighted Content

The content of the Inverted Jenny website (“Content”), including but not limited to text, graphics, images, audio, video, data, coding, scripts, computer programs and other material, are protected by copyright under the laws of the United States as well as other countries, and are owned or controlled by Siegel or by third parties that have licensed their Content to Siegel.

Scott Catalogue numbers and values (“Scott”) are used with the permission of Scott Publishing Company, a division of Amos Media. Stamp Market Quarterly (“SMQ”) values and Population Report statistics, based on Professional Stamp Experts grades (“PSE”), are used with permission from Professional Stamp Experts.

Siegel authorizes you to view and download a single copy of the Content solely for your personal, non-commercial use, or in the case of dealers, to display to your clients solely for purposes of facilitating a transaction with Siegel.

Siegel authorizes individuals and non-profit organizations to use excerpts from Content in non-commercial articles and projects, provided that a credit line identifying “Siegel Auction Galleries” or “” as the source appears with the Content or in an easily referenced list of sources. Siegel reserves the right to have you modify or remove Content, and you agree to do so within ten days of Siegel’s request.

Siegel Census data referenced in any form, for any reason, must include the words “Siegel Census” along with the number or information cited.

Authorization from Siegel is restricted to a case by case basis, and the granting of permission in one case or at one time does not confer authorization for any other case or time.

Unauthorized use of the Content may violate copyright, trademark, and other laws. You may not sell, prepare derivative works based on or modify the Content (including, without limitation, preparation of summaries of the Content or “thumbnails” of any images therein), or reproduce, publicly display, publicly perform, distribute, or otherwise use the Content in any way for any public or commercial purpose.

The use of the Content or any portion thereof on any other website, or in any publication, database, catalog or compilation, or in a networked computer environment for any purpose other than personal browsing of the website without the express prior written permission of Siegel is strictly prohibited.

With respect to any copy you make of the Content within the scope of the limited personal license granted herein, you must retain therein, unmodified and unobscured, any and all copyright and other proprietary notices contained in the original Content. Some of the Content may contain digital watermarks to indicate their source and ownership. You agree not to attempt to remove, deactivate, reverse engineer, modify, tamper with or obscure any such watermarks.

The trademarks, logos and service marks (“Marks”) displayed on the website are owned by Siegel or third parties. You are prohibited from using the Marks without the express, prior written permission of Siegel or such third party.

If you would like information about obtaining Siegel’s permission to use the Content in publications or on your website, please email

Copyright 2024. All rights reserved by Siegel Auction Galleries Inc. and Inverted Information and images may be used with credit to Siegel/ subject to guidelines and restrictions.