Possible Clues:

• If the toper were, it would make 'er so revealing
• Half naked
• Like some bars
• Without a shirt, vest or bra?
• It's rather provocative, as the upper form's demonstrated
• Revealing Oliver's first place in embrace of novel's heroine
• Nude from the waist up
• Showing off a chest without a lid
• With the breasts uncovered
• Unshirted