You're comparing apples to oranges almost. From an artistic standpoint the artisan made are probably superior. The elegant artwork and painting are more complex than modern designs. Since European china existed only after the 1700s, however the highest quality china was still from China. Hard Clay vs Soft Clay vs Boneware matters too. However, the automation of factories over the past 100 years have made defects in products very rare. Also etsy is never as advertised more less. People who don't have access to industrial grade kilns will have a hard time replicating something like that.

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