Title: A catalogue of the collections of Greek, Roman, and English coins, medals and medallions, and other effects of George Holmes, Esq; ... and the learned Colin Mac Laurin, Esq; ... Which will be sold by auction, by Mr. Langford, at his house in the Great Piazza, Covent-Garden, on Thursday and Friday, the 21st and 22d of this instant December 1749. ..