1970 US 6c Christmas Toy Horse Contemporary Stamp #1416 Used Cancelled

This listing is for a used, cancelled copy of the 1970 6-cent "Toy Horse" postage stamp. Issued on November 5, 1970, in Washington, DC, this stamp is one of four designs in a se-tenant block featuring antique children's toys from the 19th century.
Item Details:
Scott Number: #1416 (or #1416a if precancelled)
Issue Date: November 5, 1970
Condition: Used / Cancelled (visible wavy-line cancellation as shown in the photo)
Design: Features a detailed illustration of a 19th-century pull-toy horse on wheels, based on a historical toy from the Shelburne Museum collection.
This vintage holiday stamp is an excellent addition for collectors of Christmas themes, antique toys, or 1970s Americana.

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