Postal cover.

Airmail envelope addressed to Williams Deacons Bank Ltd., 41 Cornmarket, Derby, England, written in blue ink. Front shows a Singapore 15c seagull/seabird stamp with a clear circular "Singapore Air Port" datestamp dated 21 Jul 1969 and machine wavy bars. Upper-left corner printed "Par Avion / Air Mail / Correo Aereo." Reverse bears a purple oval "Orderly Room" unit stamp (partial text visible). No publisher or series identified

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.