ArtCraft cacheted First Day Cover depicting a ship going through the Gaillard Cut (Panama Canal). Cancel reads BALBOA / CANAL ZONE, Jul 14 1971 (AM) and includes a 'FIRST DAY OF ISSUE' killer. Block of four Canal Zone 8c stamps (R. San Lorenzo design) are affixed at upper right. Back shows a pencil notation "159 (x4)" and light embossing on the flap
Notes for Cover Collectors: • High-resolution scans of front and back are provided; use zoom to inspect postmarks, cachet details, and backstamps. • No third-party grading; condition is shown in the images.