Dating by porcelain marks
In the Sorgenthal period (1784-1805) an additional year mark was introduced.From 1783 onwards the year mark was impressed alongside the factory mark.You decide if they are genuine and if you would pay the price.We get a lot of questions about Nippon backstamps and dates of manufacture. (Note: the left bottom side of the Torri mark is slightly worn, it should be even with the right bottom side of the mark.) “Pagoda Hand Painted Nippon”, no known manufacturing date(s). “Imperial Nippon”, found in blue (shown) and green. We cannot stress enough that this is NOT a complete list. You will need to pick up one of Joan Van Patten’s books in order to get all the information you need. The lines in the spoke mark above almost appear straight, whereas these have more curved parallel lines with a straight line going down the middle.
By using the information below you can find the date a design was registered. Remember this date is just when the design was registered.
1749 to 1827 — the Bindenschild mark was applied in a blue underglaze.
1827 to 1850 — the blind-stamped shield mark was re-introduced.
From 1783 to 1800 the last two figures of the year were impressed and from 1800 the last three figures. If base marks include, ‘Vienna’ or ‘Wein’ it is not from the Vienna Imperial and Royal Porcelain Manufactory. If there is any importer’s mark or other company mark, it is not authentic Royal Vienna.
Dating Vienna Porcelain Marks How to Spot Imitation Vienna Porcelain Marks : Most imitations of the Vienna Porcelain Mark display the shield upside down making it appear like a beehive Even though many of the genuine Vienna porcelain marks will resemble a beehive, if turned upside down, there should be nothing else that indicates this is the correct way the shield mark is being presented. If the base marks include, ‘Royal Vienna’ it is not from the Vienna Imperial and Royal Porcelain Manufactory, it is a fake. If the base marks include, ‘Austria’ it is not from the Vienna Imperial and Royal Porcelain Manufactory. If the base marks include, Germany or Czechoslovakia, it is not authentic. ,” pages 575 and 576; Rontgen discusses Vienna Porcelain Marks and how to detect imitations of the true Vienna Porcelain mark. Pieces with forged Vienna marks are usually heavily decorated with mythological or historical scenes, often with a description of the scene on the bottom. In the early years of the manufactory, circa 1744-1749, the shield was occasionally painted red, purple, black or gold overglaze, but never blue. Any Bindenschild that is stamped in blue underglaze or overglaze and has perfect symmetry and shape is not a Vienna Porcelain mark. If inscriptions, signatures or letters are arranged in such a way that the mark appears as a beehive, then it is not a Vienna Porcelain mark of the Vienna manufactory. Letters, words or shapes in gold overglaze are indications of forgeries.