Thanks to Wolfgang for this one too. On this cover you can see the two stamps issued on 8.6.2017 featuring Bremerhaven Unterfeuer Lighthouse and Kiel Holtenau Lighthouse from the series Lighthouses of Germany 2017.
Many thanks to my friend S.L from Malaysia for sending me this cover. The stamps on the cover are from the Series - Malaysian Lighthouses issued on 20th April 2013. The Lighthouses shown are from L- R: Palau Rimau, Fort Cornwalis & Palau Angsa.