無価 is read as むか (muka) and means priceless.
むか
muka
むかちしさん
dead assets
むじょうけん
unconditional
むし
disregarding
むえん
unrelated to the teachings of Buddha
むだ
futility
むだづかい
waste (of money, time, etc.)
むぼう
reckless
むじゃき
innocent
むえき
useless
むさくい
random
むてき
invincible
むい
idleness