It was made by T. J. Wheatley & Co., Cincinnati, OH.
According to the book 'Goldscheider' by Robert Dechant and Filipp Goldscheider the mark was used from 1987-1994 when a small Goldscheider factory...
The name is Carol Price, apparently from California. Here are two different listings showing the name more clearly, LINK, LINK.
I think it's the mark of Eugene Clauss, Paris, circa 1870's-1880's.
The mark reads Artistica Aretini. Info about them.
A boxed set of the fruit-shaped light covers.
Looks like Margaret Crellin. Another piece by her is listed here.
Chris addressed the mark here.
This site shows the impressed mark as Carl Teichert and the blue mark as Carl Thieme.
Chris' site states Galluba and Hofmann.
Galluba and Hofmann.
They are called a ramekin.
The caduceus mark looks like the one used by Powell, Bishop, and Stonier. LINK.
I thought it interesting that in 1866 Richard Binns stated he'd never found these marks on Worcester items. I wonder how Chaffers concluded these...
This page from Chaffers' 1866 edition of Marks and Monograms on Pottery and Porcelain states the mark was used by Caughley, late 1700's.
The only thing I can tell you for sure is the date. A=1926, 397 is the pattern number, and B indicates the color blue. 1830 is the shape number. I...
Can you take a photo with a light shining through your items? As johnnycb09 stated, these look like glass. Specifically, the black octagon line...
Here's one with a Germany mark. Appears to be 20th century.
It was imported(?) by Sadek. Here's the pattern on Replacements, LINK. Here's what look likes your mark with a Sadek sticker, LINK.
Your mark is shown on page 62 of the book 'Italian Pottery Marks: From Cantagalli to Fornasetti' by the late Walter Del Pellegrino. It's Pietro...
Separate names with a comma.