A compendium of whisker wisdom on Flickr can help you find the look you’re after for a perfect historic Halloween costume.

For those looking to dress up for Halloween, nothing says class like an old-time mustache, especially for historical costumes. The Internet is a trove of useful information on the subject, including tips for Gatsby-esque looks. Key: very well manicured hair, slicked back on top with pomade to the point of looking wet.

Handlebar mustaches were en vogue in the time of The Great Gatsby, the 1920s, curled at the ends like the classic villain, but even the protagonists were doing it then. Absolutely no stubble. As barber shops were starting to get professional and standardized in the ’20s, men frequently had their hair trimmed and beards professionally shaved with a straight razor — all except that classy ‘stache, of course.

Looking for some visual inspiration? Check out this great Flickr photo collection of facial hair from the 1840s to the 1920s, with styles from conservative to outlandish, even comical. You’re sure to find something to help you create the look you’re after.