The tangible thing of a future acquisition one has, as of yet, no knowledge of acquiring in the future.
The article, subject, or physical thing that is currently oblivious or unknowable to a person, character, place, or thing that will acquire the article, subject, or physical thing in the future.
The hero sure could have stumbled upon the gombijiroo a long time ago to exile evil, chance was just eluded.
She was so surprised when a stranger returned her purse, as if it were a gombijiroo.
I know there's a gombijiroo solution to this current predicament.