General postal service ( 3. Planned trip), inner envelope the 1. Weight step franked with 20 penny, submersible stamp from 16.1.17, censorship stamp" double beam", large" return" stamp, on face reimbursement cancel from Bremen ( L 1 ) and reverse reimbursement cancel from Bremen ( L 4 ) in type 1, unusual and in this kind very rare, letter in perfect condition, extremely rare destination Uruguay, Michel / Geisler 800,- ++ ++