Leu Numismatik had a sale in three large hardcover catalogs in October, 2020. Together they weigh over 10 pounds and have over 800 pages of information about ancient coins with gorgeous photographs. 8 3/4" x 11 3/8". Massive! SOLD If you know ancient-coin catalogs, you know what a pleasure they can be. If you don't know the pleasures of paper catalogs with real heft and wonderful coins, this group of three might be a good place to start. For more ancient-coin literature, see: http://augustuscoins.com/numislit.html