How We Mark Test Pots

Jun 24, 2020 • Lindsey Zinno

In the factory, we’re constantly testing new glazes, clays, and techniques. Anytime a test occurs, we stamp the base. Different types of stamping can mean different things, and if you’re one of the lucky ones to actually have a stamp on the bottom of your pot, it means you have a test that was so successful that we sold it!

How We Mark Tests:

If the cutlery stamped on the pot is imprinted in the clay body, it signifies a forming or clay test.


If the cutlery stamped on the pot is colored in contrasting pigment, it’s used for a glaze test.


Comments (6)

  • Mo

    Just got my first order and have an Amaro with a 2 and a glaze spoon! I’m so glad I found this page. I was wondering what it meant :)

  • Emma

    I just got a Lapis mug with a pigment stamp, but also a 2 imprinted in the normal East Fork ring—double test item?

  • Meghan

    I recently got a juice cup with a spoon mark and couldn’t remember where I had read about it before—so glad to find this journal article again :)

  • Amanda

    Thank you for the fun treasure hunt!

  • Sarah

    I have a soup bowl in Eggshell with a clay test stamp! I always wondered what the cute little fork stamp was about. Thanks for sharing!

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