$20 Verticle Pair 1998 NPA Folio (Red Serial)

Acquire this exceptional $20 vertical pair from 1998, presented in an NPA folio with the distinctive red serial variant. Vertical pairs represent a specialised format within currency collecting, preserving the original connection between consecutive notes and creating a unified presentation that appeals to format-focused numismatists. Red serials from this production period denote a specific printing specification with restricted circulation, enhancing rarity credentials significantly. The Note Printing Australia folio guarantees institutional authentication and archival-quality preservation standards befitting these connected pieces. The 1998 $20 denomination carries historical importance within Australian monetary documentation. An outstanding acquisition for collectors pursuing vertical pair specialisation, those building comprehensive red serial collections, or advanced numismatists seeking authenticated examples with verified provenance and professional curation from this significant late 1990s release.