Bout 70 years since the last eruption of Vesuvius in March 1944, the authors received a sample of volcanic ash collected on the night between 22 and 23 March 1944 at Devoli (Albania), by Prof. Antonio Lazzari engaged in oil prospecting at the Shipyard AIPA. This ash sample, "jealously" guarded by Prof. Ludovico Brancaccio, has delivered to the authors for further studies on the event, during the collection of witness on the Vesuvius 1944 eruption, published in a book edited by the Vesuvius Observatory -INGV in 2010 by Elena Cubellis and Aldo Marturano. The volcanic ash, collected in Albania, has been attributed to the most violent phase of the eruption (the eruption began on March 18 and was declared ended April 7), defined by the then Director of the Vesuvius Observatory Giuseppe Imbò,...