What does the cryptic crossword clue "Replica e.g. truly misplaced in exhibition site (7,7)" mean?

The wordplay uses an anagram. anagram of REPLICA + E.G. + TRULY = PICTUREGALLERY The answer is PICTUREGALLERY.

Replica e.g. truly misplaced in exhibition site (7,7)

Daily Mail Cryptic #17008 | 6 Across | 2023-01-10 flower