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 the back reimbursement memo, letter with horizontal central fold and vertical edge fold, visually barely objectionable and despite the small restrictions an attractive cover, extremely rare destination Mexico, Michel / Geisler 625,- ++ ++