On 5 July 2023, Isle of Man issued a set of stamps commemorating 50 years of its post office. These stamps showed other stamps that had been issued over the years. One of them was the 1993 issue (shown below) showing Peel Breakwater L/H.
Peel Breakwater L/H | 5 Jul 2023 | A4734
Peel Castle Jetty L/H | 4 Jan 1993
Thanks to Mike DePaz and Michael Ellison for the information
See more lighthouse stamps from the Isle of Man here