The collection of John McCloskey is now listed in COMING SOON at Heritage Auctions. In addition to viewing the coins online ( https://coins.ha.com/c/auction-home.zx?saleNo=63177&ic3=ViewItem-Auction-Preview-AuctionHome-071221 ), those attending the show in Baltimore next week can view the coins in person at the Heritage Auction tables.
The Heritage Auctions site lists 870 coins in the McCloskey sale