Clean Vector Map for Print

I need a custom, print-ready vector-based PDF map in A0 and A1 landscape orientation for a poster (CMYK 300-DPI equivalent). The look should be clean and professional—think crisp lines, balanced colour... (Budget: $250 - $750 AUD, Jobs: Adobe Illustrator, ArcGIS, Cartography & Maps, Geographical Information System (GIS), Graphic Design, Illustrator, Print Design, Vector Design)