墨 - black ink, India ink, ink stick

certificate; certified document; authorization; authorisation

tattoo (esp. a traditional Japanese one); tattooing

ink painting

sumi; India ink; Chinese ink; ink stick; ink-cake

India-ink painting

Mexico

standard black (in printing); plain black; flat black; K100 black

bell-shaped inkstick made from pine soot and wax

indigo wax shaped as an inkstick

key block (in woodblock printmaking)

pale Indian ink

Mitsui Sumitomo credit card