Mike DePaz has found us an older souvenir sheet from Greece that was issued on 20 May 2015. It shows the breakwater lights on the harbor entrance to. Piraeus.

Thanks, Mike!
See more lighthouse stamps from Greece here.
Mike DePaz has found us an older souvenir sheet from Greece that was issued on 20 May 2015. It shows the breakwater lights on the harbor entrance to. Piraeus.
Thanks, Mike!
See more lighthouse stamps from Greece here.