1994, A Valley in Itay: The Many Seasons of a Villa in Umbria, Lisa St Aubin de Terán http://books.google.co.uk/books?id=zwkjAQAAIAAJ&q=%22three+porcini%22&dq=%22three+porcini%22&hl=en&ei=SWffTt7DF4POhAe355yCBQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CDYQ6AEwAA Robbie, on the other hand, on his first trip out with Clara's brother Licio, gathered twenty-three porcini (more than his guide)
Source: wiktionary