I thought I would submit this tiaosha zini teapot to the discussion.
I bought it for $60 from a Taiwanese friend in the early to mid 2000s. He's one of the friends I frequently had tea with until I moved too far away for a casual drive. He acquired it in the 1990s in Taipei.
What is unusual to me is how well if performs despite being crudely formed. The underside of the rim is carved significantly and there are many tool marks inside. It has yellow specs that I assume are bits of kaolin. The zini also looks different from the F1 zini I regularly see.
This pot performed terribly for me when I first began making tea. At the time it seemed that 80ml was too small and it clogged half the time. I had a lot to lean! It has been on my shelf collecting dust, ignored for many years.
I dusted it off recently on a whim and was surprised to find that it wasn't the pot but me. It now performs amazingly well and is a joy to use.
The clay becomes darker when heated and has developed a luster more quickly than the F1 zini pots in my collection.
I haven't seen this seal before, either.
Some of the photos are blown out to allow the camera sensor to gather details inside the pot.

- Profile
- 7C7A4AF2-BA0B-415B-857E-C4FE8692A176.jpeg (147.6 KiB) Viewed 6810 times

- Top
- EE7E2A02-7721-46F9-B53A-9314B36B7C20.jpeg (170.05 KiB) Viewed 6810 times

- Bottom
- B761CE81-4E07-4B5A-B806-C97218484B31.jpeg (316.22 KiB) Viewed 6810 times

- Lid top
- 7909DE90-6CE8-4A6A-9BDC-12434AC9CF60.jpeg (145.55 KiB) Viewed 6810 times

- Lid inside
- 4C9CDC01-65BC-4E06-AFDE-0E6B9A0BD229.jpeg (279.57 KiB) Viewed 6810 times

- Inside spout
- 415B4774-5579-4D4B-B6EB-0217CEAD7063.jpeg (219.41 KiB) Viewed 6810 times

- Inside rear tool marks
- 8A23DD11-9BDC-4112-8045-E58B6FD22095.jpeg (210.7 KiB) Viewed 6810 times