General postal service ( 3. Planned trip), inner envelope the 1. Weight step franked with 20 penny, submersible stamp from 16.1.17, censorship stamp "comet", destination transit cancel" via Cadiz. Cia. Transatlantica ", large" return" stamp, faultless condition, extremely scarce and only in few pieces known become destination Spain, Michel / Geissler 725,- ++ ++