GENTLEMAN'S MAGAZINE, London, June, 1791  Taking nearly 2 pages is: "An Expository Address to the People of England on the Late Memorable Decision Against the Abolition of the Slave Trade". Among the news reports near  the back are a few items headed: "America"  beginning: "America has now to boast a flourishing trade & a wise and upright administration..." with more on the economic situation of the new country.
Included are all 3 plates called for.
Complete in 96 pages, full title/contents page with an engraving of St. John's Gate, 5 1/2 by 8 3/4 inches with wide untrimmed margins, great condition.

This was the first periodical to use the word "magazine" in its title, having begun in 1731 and lasting until 1907.