The keyword "Uncharted Golden Abyss ROM PS Vita new" implies you want:

You will need the game files (typically in .pkg or folder format) along with the PS Vita system firmware and font packages.

Often hosts full "NoNpDrm" sets for those who prefer direct browser downloads. Installation on Modded PS Vita

: A brand new, sealed copy is currently available from Mercari for $62.62 .

to unlock all chapters, allowing players to jump back in where they left off. PSTV & Native Modding:

: Listings for "Brand New Sealed" copies frequently appear on eBay, with prices for ungraded sealed copies often around $150 .

See Prices, Availability & Reserve Now