High-quality beni is extremely expensive and it was said to be valued as the same amount of gold, as the familiar expression "one monme (3.75 grams) of gold, one monme of beni" described.
上質のものは非常に高価で、『金一匁（もんめ）紅一匁』という言葉通り、同じ重量の金に匹敵する価値があるとも言われた。