Luxembourg 1956 Banque Internationale a Luxembourg 100 Francs Back Photographic Proof (Pick Unlisted)
Denomination inscriptions and issuer text are fully embedded within the ornamental framework, confirming that the reverse had reached a complete and stable design state by the time this proof was prepared. The proof also includes the serial number positions used in the issued note, but instead of finalized numbers, both positions are filled with placeholder numerals "123456" without alphabetic prefixes. This establishes the proof as a late production-stage reference, where numbering logic had already been fixed but variable data had not yet been assigned. Read more →