The slate and granite tablet is installed near the intersection of Park and Tremont streets, and measures approximately 15 x 5 x 20 ft. An inscription reads:
In or about / the year of our Lord / One thousand six hundred / thirty and four / the then present inhabitants / of Town of Boston of whom / the Honble(sic) John Winthrop Esqr. / Govnr. of the Colony was chiefe(sic) / did treate(sic) and agree with / Mr. William Blackstone / for the purchase of his / Estate and rights in any / Lands lying within said / neck of Land called / Boston / after which purchase the / Town laid out a plan for / a trayning(sic) field which ever / since and now is used for / that purpose and for / feeding of cattell(sic) / The deposition of John Odlin and others Concerning / the sale of Blackstone's land known as Boston Common.[1]