A shame that it is not the pair, but still a lovely period volume of sermons by some of the most eminent men of the Scottish Church, including George Wishart, John Bonar, William Leachman, James Erskine, etc., 

[Scottish Sermons] Various. The Scotch Preacher: Or, A Collection of Sermons, by Some of the Most Eminent Clergymen of the Church of Scotland. The Second Edition. Vol. I. Edinburgh. Printed for J. Dickson. 1789. 300pp.

A good + copy, bound in leather that's rubbed with some chipping, inactive worming at center of rear external hinge. Generally solid with bright pages and only minor foxing.