Art drawn in the style from a prior era of at least over a decade ago.
On Danbooru this includes styles from any of these decades:
Older styles may be considered fine art parodies.
The following tags are aliased to this tag: oldschool (learn more).
The following tags implicate this tag: 1960s_(style), 1970s_(style), 1980s_(style), and 1990s_(style) (learn more).