On 3 January 2022, Germany issued a stamp showing a stylized lighthouse with a fountain pen nib in place of the lantern. It also shows a letter folded in the form of a toy boat. Should we assume that this stamp was issued to encourage letter writing?Stylized L/H | 3 Jan 2022
See more lighthouse stamps from Germany here.
As always, thanks to Jaap and Michael for providing information for this site.