i am totally new in the teaworld and in this forum.
Many of your post helped me a lot to learn something new, thanks for that

Now back to topic, i was looking for some kyusu's and i am bit confused when it comes to the stamps from the artist.
I see some teaware from the same artist but with different stamps or some have double stamps.
For example someting from Yuuki-Cha Tachi Masaki:


Both from Tachi Masaki but with different stamps, can someone help me out what the difference means?
Thanks