The plates, showing large and middle bronzes from the
collection of Queen Christina,
had been prepared 50 years earlier by Bartolo; this is their first and only publication, accompanied by Havercamp's wordy and superficial commentary on them, in Latin (not
Italian) and
French.
The book is important chiefly as the only substantial illustrated record of that famous
collection, which was eventually bought by the
Vatican, then removed to
Paris by Napolean and incorporated into the
French national
collection.
I would think the book is worth about 500 Euros retail.