Check your local library for books on collecting and the history of american pottery including art pottery of america by lucile henzke and american art pottery.
Marked ceramic numbered 1688.
Later porcelain with this mark are often called fakes however the occurrence of this mark on later porcelain is most of the time seen as part of the decoration and not to be taken serious.
If there is a number at the right hand corner of the diamond then it is in the 1842 1867 range.
Italian pottery gained popularity during the renaissance period and wares carrying such names as capodimonte bitossi maiolica and deruta are regarded as some of the finest in design and quality.
Some show a date of 1755 which refers to earlier bonn pottery manufacturers rather than the date a piece was made.
A few real life samples of genuine moorcroft pottery marks.
Mark of franz anton mehlem s pottery made in bonn germany.
Worcester inimitationofdresden hpyblua177 sppblue173 hppblue hppblue1712 sppblue1753 circularmarks.
Identification values by dick sigafoose.
There are two ranges of year codes.
Antique porcelain collectors scrutinize ceramic marks before making a purchase to make sure the item is genuine and therefore very valuable.
Factors other than the doulton mark can help in more accurate dating particularly pattern names and.
Royal doulton marks base marks pattern codes and trade marks.
At first glance they look the same but if you look closely you can see that some have a number at the right hand corner and some have a letter.
I collect antique pottery so i have felt the pangs of frustration firsthand when attempting to identify a piece of pottery.
All of these added marks can be confusing for the person trying to identify a given piece.
A number of marks were used by this manufacturer most including the initials fm a crown and the word bonn.
Learn what the identifying marks weight color glaze and foot can tell you about the origin of marked and numbered pottery.
2 what year range is the mark from.
The doulton marks are many and varied but most follow the same theme.
Many marks contain extra letters numbers and strange symbols along with the name of the country of origin.
Dating royal doulton products from their doulton marks means you sometimes have to check very carefully.