This is the 906th most frequent Japanese word.
本物
Genuine; authentic; real.
In this instance, '本物' modifies 'talent' to express that the talent is real and not fabricated.
彼は本物の才能を持っています。
He possesses genuine talent.
'本物' is again used as a noun to contrast reality with illusion, indicating something appears real.
本物に見えるけど、実は偽物です。
It looks real, but in reality, it's fake.
Here, '本物' is used as a noun to denote authenticity, meaning 'genuine' or 'real'.