Unnumbered invoices, May 1797 to November 1797, for masts, bowsprits and timber shipped by Lindegren from Riga to Britain. Each has a ship name on the verso. The first invoice, labelled 'Young William', has the following heading: "Invoice of Seventy six masts two bowsprits and twenty eight spears shipped on board the Young William Capt. Rich. Stamper for Sheerness by order and for account and riqsue of Andrew Lindegren Esq."