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Heráldica do mundo
|Portuguese heraldry portal|
Escudo de ouro, com duas faixas ondadas de azul no contra-chefe. No centro um dobadouro de vermelho, em chefe, à dextra uma fortaleza de negro iluminada de vermelho e à sinistra o escudo de Portugal antigo. Coroa mural de prata de três torres. Listel branco com a legenda a negro: “ CRESTUMA “.
The arms were officially granted on May 19, 1993.
The wed thread winder is a symbol symbolises the longtime tradition of spinning and weaving in the village, as well as the textile industries. The small castle is a canting symbol, the name is derived from Castro and Uima. Remains of an ancient castle (castro) can still be seen in the village. The base symbolises the Uima and Douro rivers.
The small shield is the ancient arms of Portugal and indicates the long history of the village.