silk
A miner.
Typically, the seal on the diploma is the school seal. You will find the school seal placed on all official school documentation to include the official transcript.
Coal mining and farming.
The official Massachusetts state seal is a coat of arms. This seal was made official and adopted by the state in 1885.
It is not an official seal
The official state colors are buff and blue. There are other colors on the seal as well, but those are the official colors.
cachet
The Official State Seal of Arizona was approved in the Arizona Constitution in 1911.
The musical instrument on the President's seal of office is a harp. It is depicted in the center of the seal, below the eagle and above the shield. The harp symbolizes the importance of music and the arts in American culture.
An "official seal" of what? There are companies that specialize in this type of product, corporate seals, notary public seals, etc. Try the Yellow Pages or an internet search.
company seal
The white-tailed deer is official state animal of Illinois. The northern cardinal is official state bird of Illinois. The monarch butterfly is official state butterfly of Illinois. "State sovereignty, national union" is the official state motto of Illinois. Land of Lincoln is official state nickname of Illinois. Pumpkin pie is the official state pie of Illinois. "Illinois" is the title of the official state song of Illinois. The white oak is official state tree of Illinois.