Antique Collotype After W. offers L. J. Walker Etching "Colwick Hall" 1791

A beautiful framed collotype after an W. L. J. Walker etching entitled "Colwick Hall" published by J. Throsby Nottingham in 1791, signed to offers the lower right. Measuring an overall 17.0" W x 15.0" H x 1.25" D with a visible image of 9″×7, this piece is in good antique condition with toning and discoloration to the paper and mat consistent with age and some wear and abrasions to the frame. Please review all photographs as an important part of the description.