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Small chips of crystal-like stone - kautsuri
1900-1920
1900-1920
circa 1932
1984
1975-1982
1994
1975-1980
1751-1780
1960-1985
circa 2010
circa 2010
1980-1986
1993
1960-1985
1971
1990-2000
1970-1985
1970-1985
1992-1993
1999
1961-1970
1975-1980
1979
1981-1985
1810-1840
1957; 1981
1801-1900
1882
circa 2010
circa 2010
1801-1900
1990-2000
1801-1900
1801-1900
1801-1900
1970-1985