1970 US 6c Disabled American Veterans 50th Anniversary #1421 Used Cancelled

This listing is for a used, cancelled copy of the 1970 6-cent "Disabled American Veterans" postage stamp. Issued on November 24, 1970, in Cincinnati, OH, this commemorative stamp honors the 50th anniversary of the founding of the DAV organization in 1920.
Item Details:
Scott Number: #1421 (often found se-tenant with #1422)
Issue Date: Nov 24, 1970
Condition: Used / Cancelled (as shown in photos)
Design: Features the DAV emblem, which depicts a seated disabled veteran being helped by a figure representing Columbia against the backdrop of the U.S. flag.
This vintage military-themed stamp is a meaningful addition for collectors of veterans' history or 1970s US philately.

Please review the high-resolution photos to inspect the specific "wave" cancellation mark and the stamp's overall physical condition.