Certificates and Diplomas

Certificates and diplomas production technology - chemical etching, looks very solid and rich. Certificates and diplomas used to do out of birch bark, birch bark. Birch and diplomas represent a deep interest as sources of social history and everyday lives of ordinary people of the Middle Ages, as well as on the history of the language. Birch and diplomas appeared in Russia in 11 century, and in the 15 th century have fallen into disuse since appeared cheaper analogue - paper. A and diplomas from the bark were used only as drafts.

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Diplomas certificates