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A Brief Introduction to Hallmarks on Georg Jensen Silver

The Early Marks

Georg Jensen Silver :: Early Marks

There are a number of early marks from 1904, when Georg Jensen began his firm, until 1925, when a more consistent hallmarking system was used. Typically, you will find a "GJ" or "GI" .

This mark was used between 1915 and 1919.

Note that this mark bears the lower standard of silver with the 830 mark. Pure silver, like pure gold, is too soft and malleable to be used practically, as it has a similar consistency to lead. For many centuries, silversmiths have added alloys of other metals [typically copper, nickel or zinc] to harden the silver. The 830 mark means that 830 parts out of 1000 parts of the silver are pure and the remaining 170 are alloy metals. In other words, 83% of the hallmarked metal is made of pure silver.

The 1920's Mark

Georg Jensen Silver :: 1920s Marks

This mark was used between 1925 and 1932. Note that the standard of silver has been increased from 830 to 925 in line with most other countries. 925 is what is internationally referred to today as "Sterling" and contains a level of 92.5% purity.

Note that Georg Jensen silver manufactured prior to 1945 is considered to be "early" by Jensen standards.

The "Pin Prick" Mark

Georg Jensen Silver :: Pin Prick Mark

This mark was used in the 1930's.

This is the mark that perhaps causes most confusion. At first glance, it looks like the "Post 1945" mark [see below], but on closer inspection, it is possible to see that the mark is engraved [and not struck on with a metal punch as is the Post 1945 mark]. The details are also finer and less regular. When seen on smaller items, such as jewelry and flatware, it is often difficult to distinguish between the pin prick mark and the post 45 mark.

Note the 686 A marking. This is the design number, which you will see on virtually every piece of Georg Jensen [except flatware]. 686 refers to the design number 686 and the letter "A" afterwards refers to the size. Many designs were allocated a single design number but made in different sizes, which are marked with the letters, A, B, C etc. A Blossom teapot will always be design # 2 for example, but it was made in six different sizes and will be marked with a letter A, B, C etc to denote the size. Be careful with the lettering system, because although the design numbering is straightforward, the lettering system is not always consistent.

The GJ Square Mark

Georg Jensen Silver :: GJ Square Mark

This mark was used between 1933 and 1944 and is easy to identify.

The Wendel Mark

Georg Jensen Silver :: The Wendel Mark

This mark was used between 1945 and 1951.

Note the word "Dessin" and the initials "HN". "Dessin" is the French word for design and "HN" stands for Harald Nielsen — Georg Jensen's leading Art Deco designer. The Georg Jensen Company was unusual in always giving full credit to its designers and you will often see the designer's two initials marked alongside the other hallmarks.

Post 1945 Mark

Georg Jensen Silver :: Post 1945 Mark

This is the mark that you will most often see. It is the mark used from 1945 until 1977. Be careful not to confuse it with the earlier [and usually more valuable] Pin Prick mark [see above]. This mark is often referred to as the "Post 45" mark or the "Pearlmark".

Newer Marks

Georg Jensen Silver :: Newer Marks

From 1977 to the present day, the Georg Jensen Company used the post 1945 mark but incorporated the Swedish date marking system. So for the first time, it is possible to date the piece by the individual year using a letter and a number. This mark shows "O 10", which is the mark for 1988.

The dates can be found listed below.

A6=1879 A7=1903 A8=1927 A9=1951 A10=1975 A11=1999
B6=1880 B7=1904 B8=1928 B9=1952 B10=1976 B11=2000
C6=1881 C7=1905 C8=1929 C9=1953 C10=1977 C11=2001
D6=1882 D7=1906 D8=1930 D9=1954 D10=1978 D11=2002
E6=1883 E7=1907 E8=1931 E9=1955 E10=1979 E11=2003
F6=1884 F7=1908 F8=1932 F9=1956 F10=1980 F11=2004
G6=1885 G7=1909 G8=1933 G9=1957 G10=1981 G11=2005
H6=1886 H7=1910 H8=1934 H9=1958 H10=1982 H11=2006
I6=1887 I7=1911 I8=1935 I9=1959 I10=1983 I11=2007
K6=1888 K7=1912 K8=1936 K9=1960 K10=1984 K11=2008
L6=1889 L7=1913 L8=1937 L9=1961 L10=1985 L11=2009
M6=1890 M7=1914 M8=1938 M9=1962 M10=1986 M11=2010
N6=1891 N7=1915 N8=1939 N9=1963 N10=1987 N11=2011
O6=1892 O7=1916 O8=1940 O9=1964 O10=1988 O11=2012
P6=1893 P7=1917 P8=1941 P9=1965 P10=1989 P11=2013
Q6=1894 Q7=1918 Q8=1942 Q9=1966 Q10=1990 Q11=2014
R6=1895 R7=1919 R8=1943 R9=1967 R10=1991 R11=2015
S6=1896 S7=1920 S8=1944 S9=1968 S10=1992 S11=2016
T6=1897 T7=1921 T8=1945 T9=1969 T10=1993 T11=2017
U6=1898 U7=1922 U8=1946 U9=1970 U10=1994 U11=2018
V6=1899 V7=1923 V8=1947 V9=1971 V10=1995 V11=2019
X6=1900 X7=1924 X8=1948 X9=1972 X10=1996 X11=2020
Y6=1901 Y7=1925 Y8=1949 Y9=1973 Y10=1997 Y11=2021
Z6=1902 Z7=1926 Z8=1950 Z9=1974 Z10=1998 Z11=2022