Pince

Pince-nez perched upon his nose and he used a cigarette holder.

Robert S. McElvaine: America's 40 Years War at an End 2008

Pince-nez don't really hide the eyes very well, as they're so small.

HH Com 228 (224) Miss Snark 2006

He had never seen Professor Sprout, Head of the Hufflepuffs, looking so clean; there was not a single patch on her hat, and when they reached the Entrance Hall, they found Madam Pince standing beside Filch, she in a thick black veil that fell to her knees, he in an ancient black suit and tie reek-ing of mothbails.

Harry Potter and the Half-Blood Prince Rowling, J. K. 2005

Madam Pince was several shelves away, stamping out a pile cf books for a frantic-looking Hannah Abbott.

Harry Potter and the Order of the Phoenix Rowling, J. K. 2003

'So ... so are you saying ...' whispered Ron, as Madam Pince swept past, squeaking slightly 'that the weapon - the thing You-Know-Who's after - is in the Ministry of Magic?'

Harry Potter and the Order of the Phoenix Rowling, J. K. 2003

'I can't see Madam Pince being too chuffed with us doing jinxes in the library,' said Harry.

Harry Potter and the Order of the Phoenix Rowling, J. K. 2003

Madam Pince was swooping down on them, her shrivelled face contorted with rage.

Harry Potter and the Order of the Phoenix Rowling, J. K. 2003

Madam Pince had extinguished all the lamps and came to chivvy Harry out of the library.

Harry Potter and the Goblet of Fire Rowling, J. K. 2000

Madam Pince, for help - they found nothing whatsoever that would enable Harry to spend an hour underwater and live to tell the tale.

Harry Potter and the Goblet of Fire Rowling, J. K. 2000

Madam Pince held the note up to the light, as though determined to detect a forgery, but it passed the test.

Harry Potter and the Chamber of Secrets Rowling, J. K. 1999