60s
abstract
antiwar
app
art
background
brushwork
concept
design
dirty
drawing
drawn
element
emblem
graphic
hand
hippie
hope
human
icon
illustration
isolated
love
modern
object
pacificist
pacifist
pan
peace
peace sign
peace symbol
peaceful
pictogram
pot
purity
retro
shape
sign
silhouette
simple
sketch
spirit
spiritual
stew
style
symbol
symbolism
war
world