This photograph is of the maker's mark of Lenox China of Trenton, New Jersey printed on the 200th anniversary china. President Bill Clinton and First Lady Hillary Clinton selected a state service with this design to celebrate the White House's 200th anniversary in 2000.

This Pickard China maker's mark is on the reverse of the President George W. Bush state service.

This maker's mark is from the official state service of the George W. Bush administration.

This is the Pickard China marker's mark that is found on the reverse of the official state service of the Barack Obama administration.

This maker's mark appears on a French porcelain soup tureen made by the Nast porcelain factory of Paris in 1806. James Madison purchased a porcelain service from Nast during his time as secretary of state, and later used it during his presidency.

This stenciled maker's mark appeared on a French porcelain plate made by Pierre Louis Dagoty and Edouard D. Honoré in 1817. President James Monroe purchased his state dinner service from the Parisian firm.

This photograph shows the mark that appears on an earthenware dinner plate made by Job & John Jackson of Burslem, England, between 1831 and 1843. The front of the plate features a depiction of the White House.

This mark appears on a porcelain pitcher made by Tucker & Hulme of Philadelphia, a firm patronized by President Andrew Jackson, in 1828.

This stenciled mark appears on the back of a dinner plate made at the Nast porcelain factory in Paris in 1806. James Madison purchased a porcelain service from Nast during his time as secretary of state, and later used it during his presidency.

This close-up view shows the maker's mark of a silver plateau or centerpiece made by New York silversmith John W. Forbes between 1820 and 1825, during James Monroe's presidency. Mythical creatures appear alongside carved vines, flowers and other details.

This maker's mark appears on the reverse side of a porcelain dinner plate made by the French firm of Christophe Dihl and Antoine Guérhard between 1781 and 1789 and used by George and Martha Washington.

This maker's mark appears on a French porcelain sauceboat made at the Sèvres factory in 1778. George Washington purchased a dinner service, including this sauceboat, from the French minister in 1790 and used it during his presidency.

This bilingual label rests underneath the center table top of Charles Honoré Lannuier's Gueridon center table. Many of Lannuier's pieces are documented by stamps or labels such as this one, identifying the maker.

This photograph shows the marks on the back of a seafood salad plate made by Haviland & Co. of Limoges, France, in 1886. The plate, which also features the signature of designer Theodore Russell Davis, resembles the state service that Rutherford B. Hayes ordered for the White House in 1879. This particular design was not used in the White House, however, but produced for sale to the general public.

This mark appears on the reverse side of a china service made for the White House by Lenox China of Trenton, New Jersey, and ordered from Dulin & Martin Company of Washington, D.C. in 1918, during Woodrow Wilson's administration.

This photograph shows the mark on a dinner plate made for the White House by Coalport Porcelain Works of Coalport, England, circa 1894, during Grover Cleveland's second administration.