Is any Germans at home ?
https://www.postcrossing.com/postcards/DE-8638999 (https://www.postcrossing.com/postcards/DE-8638999)
https://www.postcrossing.com/postcards/DE-7979175 (https://www.postcrossing.com/postcards/DE-7979175)
https://www.postcrossing.com/postcards/DE-8121752 (https://www.postcrossing.com/postcards/DE-8121752)
https://www.postcrossing.com/postcards/DE-6813272 (https://www.postcrossing.com/postcards/DE-6813272)
https://www.postcrossing.com/postcards/DE-5485305 (https://www.postcrossing.com/postcards/DE-5485305)
https://www.postcrossing.com/postcards/DE-7091413 (https://www.postcrossing.com/postcards/DE-7091413)
https://www.postcrossing.com/postcards/DE-6685819 (https://www.postcrossing.com/postcards/DE-6685819)
https://www.postcrossing.com/postcards/DE-7110285 (https://www.postcrossing.com/postcards/DE-7110285)
https://www.postcrossing.com/postcards/DE-6410716 (https://www.postcrossing.com/postcards/DE-6410716)
https://www.postcrossing.com/postcards/DE-6650068 (https://www.postcrossing.com/postcards/DE-6650068)
https://www.postcrossing.com/postcards/DE-5987087 (https://www.postcrossing.com/postcards/DE-5987087)
https://www.postcrossing.com/postcards/DE-7148787 (https://www.postcrossing.com/postcards/DE-7148787)
https://www.postcrossing.com/postcards/DE-4489630 (https://www.postcrossing.com/postcards/DE-4489630)
https://www.postcrossing.com/postcards/DE-4875873 (https://www.postcrossing.com/postcards/DE-4875873)
https://www.postcrossing.com/postcards/DE-3229136 (https://www.postcrossing.com/postcards/DE-3229136)
Some were with label. Some i identified. Few more to go ;)
https://www.postcrossing.com/postcards/DE-7979175 (https://www.postcrossing.com/postcards/DE-7979175)
Dungeness, UK
https://www.postcrossing.com/postcards/DE-8121752 (https://www.postcrossing.com/postcards/DE-8121752)
Lysekil, Sweden
https://www.postcrossing.com/postcards/DE-5485305 (https://www.postcrossing.com/postcards/DE-5485305)
Saint-Mathieu, France
https://www.postcrossing.com/postcards/DE-6685819 (https://www.postcrossing.com/postcards/DE-6685819)
Lizard, UK
https://www.postcrossing.com/postcards/DE-7110285 (https://www.postcrossing.com/postcards/DE-7110285)
Bornholm / Hammer Fyr
https://www.postcrossing.com/postcards/DE-6410716 (https://www.postcrossing.com/postcards/DE-6410716)
Mollösund Lighthouse
https://www.postcrossing.com/postcards/DE-5987087 (https://www.postcrossing.com/postcards/DE-5987087)
Start Point, UK
https://www.postcrossing.com/postcards/DE-7148787 (https://www.postcrossing.com/postcards/DE-7148787)
Titicaca lake / Faro de Puno
https://www.postcrossing.com/postcards/DE-4489630 (https://www.postcrossing.com/postcards/DE-4489630)
Flamborough head, UK
https://www.postcrossing.com/postcards/DE-4875873 (https://www.postcrossing.com/postcards/DE-4875873)
Cape St. Blaize, South Africa
https://www.postcrossing.com/postcards/DE-7091413 (https://www.postcrossing.com/postcards/DE-7091413)
https://www.postcrossing.com/postcards/DE-6650068 (https://www.postcrossing.com/postcards/DE-6650068)
https://www.postcrossing.com/postcards/DE-8638999 (https://www.postcrossing.com/postcards/DE-8638999)
https://www.postcrossing.com/postcards/DE-3229136 (https://www.postcrossing.com/postcards/DE-3229136)
https://www.postcrossing.com/postcards/DE-6813272 (https://www.postcrossing.com/postcards/DE-6813272)
DE-7091413 and DE-6650068 is Stabenhuk, C1286 ! ;)
DE-8638999 is not a German lighthouse! ;)
Not sure if you have identified all lighthouse pictures meanwhile.
https://www.postcrossing.com/postcards/DE-3229136 (https://www.postcrossing.com/postcards/DE-3229136) = C1440 Darßer Ort in Germany
For image DE-8638999 ->
Angleterre-Phare de Seaham Harbour N Pier Head-Seaham
https://cdn.pixabay.com/photo/2020/02/24/22/26/lighthouse-4877567_960_720.jpg
For image ->DE-6813272
Allemagne-Helios, Koln
For image -> DE-3229136
Allemagne - Phare de Darsser Ort