I haven't done the research, but if I were you I'd start with that cobalt blue dragon. Can you find any early examples -- e.g., Tang or Liao --...
The black-inked mark is simply "32," upside down.
Mail between the US and Asia seems to have become exceptionally slow in the past year, sporadically at least; normal first-class eight or nine...
Not nephrite or jadeite. Probably so-called "xiu jade." http://www.zgyushiwang.com/news/yushijianding/201504/2845.html (Anything really valuable...
The mark reads 島人 Shimato. This is a Japanese name, not to exclude the possibility that it was adopted by a potter outside Japan.
Originally Japanese, but Shibata has had a factory in Shenzhen, China, for over ten years.
厄除 yakuyoke "avoidance of evil” 春日 “Springtime" 鈴 suzu "bell" 開運 kaiun "bring good luck" https://en.wikipedia.org/wiki/Suzu...
Free form is common. http://g-search1.alicdn.com/bao/uploaded/i7/TB1UsdcLpXXXXXLXVXXYXGcGpXX_M2.SS2 Search Google Images for Taihu Rock. Very...
Could be a blank piece sold for finishing with an engraving, but for some reason it never got engraved.
Small wooden stands come in all sizes and configurations in China, and you can use them for displaying just about anything that fits....
Searching "coal paperweight" and "coal souvenir" brings up some interesting things on Google Images, like this:...
Could it be a gold test stone?
It's Super Quality, and you have your choice of two sizes....
The mark is -- or should be, if all the characters were there -- 生今之世 尚友古人 Sheng Jin Zhi Shi, Shang You Gu Ren.
The two large characters are 寿 "longevity" and 福 "good fortune." The inscription, 春花夏凉秋月冬雪, raises poetic images of spring flowers, summery...
On Asian inscriptions, the interesting bits --such as name, date, and place -- are almost always at the far left, with the inscription itself most...
It's worth selling certainly but it's probably not a high value item. (By the way, don't let the romanization in that link suggest his name is...
山陶園留助製 "Made by Mountain Pottery Garden Tomesuke." http://www.utsuwadouraku.com/x_i/itaku_tomesuke_kaki.html
Japanese, probably Kutani.
Separate names with a comma.
