(I) If it wasn't for the fact that the violin was
cracked, it could have reached a higher price at
the auction.
(II)The hall was filled with people, among them
many antique experts who were looking for a
bargain.
(III) However, its imperfection devalued it by at
least a thousand pounds, which disappointed
the owners, Mr and Mrs Johnson.
(IV) They had originally bought it in Spain from a
violin merchant.
(V) He hadn't mentioned the fault and they hadn't
noticed it at the time.