Portland (Maine) Exchange Office: Allan Line CANADIAN II Via Quebec to Portland. Envelope with content dated "Mallin July 26" bearing a postscript stating "the address Mr John Starate mallinhall mallin by derry Co donegal ireland" and posted on the 25th July 1860. Carried by the Canadian II from Londonderry leaving on the 27th July arriving Quebec on the 8th August and Portland the following day. Addressed to Wilmington, Delaware where it arrived on the 10th August., Very Fine, a scarce Portland exchange office marking. Estimate  $300 - 400. $0 (Image)