A court or other tribunal, before determining whether a way has or has not been dedicated as a highway, or the date on which such dedication, if any, took place, shall take into consideration any map, plan or history of the locality or other relevant document which is tendered in evidence, and shall give such weight thereto as the court or tribunal considers justified by the circumstances, including the antiquity of the tendered document, the status of the person by whom and the purpose for which it was made or compiled, and the custody in which it has been kept and from which it is produced.