NRFB
NRFB definition by Slang.net
This page explains what the acronym "NRFB" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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In online auctions and marketplaces, NRFB stands for "never removed from box." An item marked NRFB is in mint condition and has never been removed from its original packaging.
Most often, NRFB is used to note that a collectible item, such as an action figure, statue, or coin proof set, has never been opened or used. These NRFB collectibles are typically in pristine condition, and thus often fetch a higher price than opened and/or used items.