Online Encyclopedia of Silver Marks, Hallmarks & Makers' Marks
1893 - 2000 | |||||||
| O.A. | • | Otto Andersen - Ruds-Vedby 1914 1948 |
| OAI | • | Ove Andersen Industri - Herlev 1977 - 1985 |
| O.A.W. | • | O. A. Westergaard - Copenhagen 1893 - 1937 |
| O.B.G. | • | Osvald B. Grønning - Aarhus 1934 - 1973 |
| O.B.J. | • | Otto Benny Jørgensen - Copenhagen 1955 - 1965 |
| OBJ | • | Ove Bang Jensen, Frederikshavn 1989 |
| O.B.P. | • | Otto V. Behrendt Petersen - Copenhagen 1955 - 1965 |
| O.B.P. | • | Ole Bent Petersen - Copenhagen 1973 - 1996 |
| O.B.R. | • | Ole Bøgelund Rasmussen - Hjørring 1971 - 1975 |
| O.C.C. | • | O. C. Collin - Copenhagen 1893 - 1910 |
| O.C.J. | • | OIuf C. Johansen - Copenhagen 1934 - 1979 |
| O.C.K. |  | Oluf Christian Kundby - Copenhagen 1932 - 1942 |
| O.C.K. | • | Oluf Christian Kundby - Copenhagen 1962 - ? |
| O.D. | • | Otto Diemar - Copenhagen 1902 - 1937 |
| O. Dahl | • | Oscar F. Dahl - Copenhagen 1904 - 1937 |
| O.E. | • | O. M. V. Ehlers - Copenhagen 1930 - 1973 |
| OE | • | Oeding-Erdel Münster - Roskilde 1986 - 1989 |
| O.Ehlers | • | O. M. V. Ehlers - Copenhagen 1930 - 1973 |
| O.E.S. | • | Otto O. E. Schock - Copenhagen/Frederiksberg 1899 - 1937 |
| O.F. | • | Ole Amnitzbel Fredsbo - Aarhus N 1990 - ? |
| O.F. | • | O. Flindt - Copenhagen 1893 - 1937 |
| O.F.D. | • | Oscar F. Dahl - Copenhagen 1904 - 1937 |
| O.F.P. | • | Ove Fogh Pedersen - Brønshøj 1966 - 1988 |
| O.Friis | • | Otto Friis - Kolding 1910 - 1937 |
| O.G. | • | Otto F. Gigas - Copenhagen 1906 - 1937 |
| O.G. | • | Ole Gamsgaard - Gentofte 1953 - 1963 |
| O.Gamsgaard | • | Ole Gamsgaard - Gentofte 1953 - 1963 |
| O.G.T. | • | Orla Gunnar Taanum - Odense 1947 - 1973 |
| O.H. | • | Otto Carl Johan Hansen - Copenhagen 1952 - 1972 |
| O.H. | • | O. Holtzweissig - Copenhagen 1901 - 1937 |
| O.H.G.E. | • | Ove Hans Georg Eriksen - Aarhus 1934 - 1944 |
| O.& H.H. | • | Olesen & Hvitfeldt Hansen - Copenhagen 1959 - 1969 |
| OHs | • | Otto Hansen - Copenhagen 1923 - 1937 |
| O.I.O. | • | Oscar Isak Osbak - Copenhagen 1963 - ? |
| O.J. | • | Otto Jørgensen - Jyderup 1964 - 1967 |
| O.J. | • | Otto B. Jørgensen - Jyderup 1971 - ? |
| O.J. | • | Olaf Jansen - Aarhus 1944 - 1965 |
| O.J.B. | • | Ole Johansen Berg - Roskilde 1921 - 1937 |
| OJD | • | Guldsmedjen I/S v/ J. Pind - Aarhus 1992 - 1993 |
| O.Johansen | • | Oluf C. Johansen - Copenhagen 1934 - 1976 |
| O.K. | • | Ove Kolding - Copenhagen 1967 - ? |
| O.K. | • | Ove Klarskov - Charlottenlund 1948 - 1958 |
| O.K. | • | Ove Klarskov - Copenhagen 1927 - 1937 |
| O.K.B. | • | Ole Berg - Ølstykke 1979 - 1984 |
| O.K.H. | • | O. M. Koefoed-Hansen - Copenhagen 1922 - 1973 |
| 0.K.J. | • | Ole Kjær Jensen - Virum 1971 - 1979 |
| OKK | • | ORIFLAMES KOSMETIK KLUB - Slangerup 1983 - ? |
| Oksen | • | Niels Børge Oksen - Randers 1965 - 1973 |
| O.L. | • | Ole Lynggaard - Hellerup 1957 - ? |
| O.L. | • | Olga Lind - Holstebro 1918 - 1948 |
| Ole Bent Petersen |  | Ole Bent Petersen - Copenhagen c.1970 - ? |
| Ole L. | • | Ole Lynggaard - Hellerup 1957 - ? |
| OLE S. | • | Ole Sørensen - Copenhagen/Frederiksberg 1980 - ? |
| Ole S. | • | Ole Mathias Sørensen - Aarhus 1946 - 1973 |
| Ole W. | • | Ole Wassmann - Vanløse 1963 - 1973 |
| O.Lind | • | Olga Lind - Holstebro 1918 - 1948 |
| OLJ | • | Ole Lindholt Jensen - Copenhagen 1982 - 1990 |
| OI.P. | • | Orla Petersen - Kerteminde 1906 - 1937 |
| Olsen | • | C. O. Olsen - Nakskov 1893 - 1937 |
| O.Lund | • | Firmaet Oscar Lund - Thisted 1937 - 1957 |
| O.Lund | • | Oscar Lund - Tisted 1925 - 1937 |
| O.M. | • | O. C. Møller - Odense 1893 - 1937 |
| O.M. | • | Ole Mathiesen - Copenhagen 1976 - ? |
| O.M. | • | Ole Møbius - Copenhagen 1971 - 1974 |
| O.M. | • | Oskar Mattsson - Copenhagen 1948 - 1968 |
| O.Mogensen |  | Orla Vagn Mogensen - Copenhagen 1948 - 1975 |
| O.Mogensen | • | O. V. Mogensen's Eftf. - Nivå 1975 - ? |
| O.N. | • | Ole Nibe Nielsen - Glostrup 1964 - 1973 |
| O.N. | • | Otto Peter Ejnar Nielsen - Copenhagen 1944 - 1964 |
| ONILA | • | Onumila v/ Per Knudsen - Nørreballe 1977 - 1985 |
| O.P. | • | O. P. Petersen - Copenhagen 1893 - 1937 |
| O.P. | • | Ole Bent Petersen - Copenhagen 1963 - 1973 |
| O.Petersen | • | Orla Petersen - Kerteminde 1906 - 1937 |
| O.P.H. | • | Oskar Peter Hammeken - Copenhagen 1927 - 1957 |
| O.R. | • | Otto Rasmussen - Nakskov 1923 - ? |
| O.Riis Olsen | • | Ole Riis Olsen - Roskilde 1977 - ? |
| O.Riis Olsen | • | Ole Riis Olsen - Åbenrå 1971 - 1973 |
| ORO | • | Ole Riis Olsen - Roskilde 1979 - ? |
| ORS | • | Smykkeværkstedet v/ Orsero - Svendborg 1989 - 1991 |
| O.S. | • | Ole Stegemuller - Copenhagen 1967 - 1973 |
| O.& S. | • | Ottesen & Sundstrøm - Copenhagen 1905 - 1937 |
| O.S. | • | Ole Sørensen & P. Hansen - Alborg 1980 - ? |
| OSa | • | Ohannes Sabrzian - Glostrup 1985 - ? |
| Oscar Lund | • | Oscar Lund - Thisted 1925 - 1937 |
| Oscar Lund | • | Oscar Lund - Thisted 1937 - 1957 |
| O.S.F. | • | Otto S. Friis - Kolding 1906 - 1937 |
| O.S.H. | • | Otto Sigfred Hansen - Copenhagen 1958 - 1980 |
| O.S.J. | • | Ove Søndergaard Jensen - Odense 1963 - 1973 |
| O.Skov | • | Ove Skov - Stenløse 1987 - ? |
| Os.L. | • | Oskar Lorenzen - Nexø 1937 - 1947 |
| Os.L. | • | Oskar Lorenzen - Neksø 1921 - 1937 |
| O.S.O. | • | Otto S. Olsen - Faxe 1927 - 1937 |
| OSR | • | Ole Stoner - Saltum 1992 - ? |
| O.S.S. | • | Ove S. Sørensen - Slagelse 1970 - ? |
| O.Sø | • | Ove Søgaard - Kolding 1982 - 1984 |
| O.Sø | • | Ove Søgaard - Kolding 1990 - 1992 |
| Ot.J. | • | Otto Vilhelm Jensen - Vanløse 1962 - 1972 |
| Otto Rasmussen | • | Otto Rasmussen - Nakskov 1923 - ? |
| OVE | • | Ove Madsen - Odense C 1984 - ? |
| Ove Bang | • | Ove Bang Jensen - Frederikshavn 1989 - ? |
| Ove Eriksen | • | Ove H. G. Eriksen - Åbyhøj 1934 - 1974 |
| Ove N. | • | Ove Norstedt Nielsen - Herlev 1967 - 1973 |
| Ove W. | • | Ove Wendt - Copenhagen 1933 - 1943 |
| Ove Wendt | • | Ove Wendt - Copenhagen 1933 - 1943 |
| Ove Wendt |  | Ove Wendt Sølvsmedie - Hellerup 1977 - 1982 |
| Ovi | • | Ovimex - Hadsund 1979 - 1982 |
| O.V.M. | • | Orla Vagn Mogensen - Copenhagen 1949 - 1975 |
| O.V.M. | • | O. V. Mogensen's Eftf. - Nivå 1975 - ? |
| OW |   | Ove Wendt Sølvsmedie - Hellerup 1977 - 1982 |
| O.W. | • | O. Wulff - Copenhagen 1893 - 1937 |
| O.W. | • | Orla Wichmann - Copenhagen 1958 - 1983 |
| O.W.J. |  | Ole Waldemar Jacobsen - Copenhagen 1952 - ? |
| Owren | • | Ingvald Owren - Esbjerg 1920 - 1937 |
| OX | • | Tina Oxager - Aarhus 1992 - 1993 |
| Ø.E. | • | Øssur Karlsberg Eysturoy - Copenhagen 1955 - ? | |
| Øelund | • | Johs. Øelund - Middelfart 1911 - 1937 | |
| Ø-H | • | Øster-Hansen - Hellerup 1965 - 1973 | |
| ØST | • | Mette Østberg - Egå 1992 - ? | |
| ØSTBERG | • | Mette Østberg - Egå 1992 - ? | |
| Østerberg | • | Willy Østerberg - Copenhagen 1955 - 1973 | |
| Østergaard | • | Søren N. Østergaard - Skive 1907 - 1957 | |
| In 1893, a law was enacted in Denmark that standardized a new system of silver marking. Required were: Maker's Mark, Numerical Standard Mark, Assay Mark (three tower), and Assay Master's Initial Mark. The minimum standard of silver purity was .826, this was amended to .830 in 1936 and .925 became the other official standard, although it had been commonly used before, especially on silver made for export.
As the 20th century progressed, the official state hallmarks are found less and less, they were officially retired in 1977, it had already become common practice for pieces to be marked only with the maker's intials, 925S and, sometimes, Sterling and "Denmark". | |||
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