1880's Diamond Wrench Co. Portland, ME. Steel Forged adjustable buggy wrench For Sale

1880's Diamond Wrench Co. Portland, ME. Steel Forged adjustable buggy wrench. Overall length is 10 1/2 inches. Opens up to 1 5/8 inches. It took me doing some research before finding info as to when and where it was mfg'd. See last 2 pics where I took screen shots of a similar original Diamond wrench.Please email me if you have any questions or if you would like to see any additional photos of particular area. I welcome all questions and would much prefer to address any issues before you offer.
NOTE: I ESTIMATE ALL SHIPPING COST BASED ON EAST COAST TO WEST COAST RATES AS I HAVE NO WAY OF KNOWING WHERE IT WILL EVENTUALLY GO--SHOULD THE ACTUAL SHIPPING COST BE LESS, I PROVIDE A REFUND