Very OLD soapstone or white jade bowl with fish inscribed

hi everybody, i wanted to share this unique bowl, theres fish inscribed on the inner part, i had to brush talc powder in the etchings to see it better, its quite hard to see, and it looks like carp to me, and there is a black mark on the bottom i think is the makers mark but is quite worn off, i wonder how old this actually is, ok well im open to opinions and thank you for looking