Newman Portal has recently added the auction sale catalogs of the Heritage Auctions predecessor firms, New England Rare Coin Auctions and Steve Ivy Numismatic Auctions.Martin Gengerke's American Numismatic Auctions lists 29 sales for New England between 1975 and 1982, and 53 for Steve Ivy between 1972 and 1983.

The earlier New England catalogs evoke the classic Stack's catalog layout, and include numerous closeups demonstrating variety features, a distinctive feature at this time.Later catalogs begin to feature color plates that are still useful for pedigree purposes.

The Steve Ivy catalogs are virtually identical to the (later) Heritage catalogs and clearly were prepared by the same team. These include color plates from the beginning(1976), not an inexpensive proposition at the time, and the very first catalog notes the use of "full color transparencies and four color printing." Newman Portal acknowledges JimHalperin and Steve Ivy for extending permission to scan these sale catalogs.

Link to New England Rare Coin Auctions:
https://nnp.wustl.edu/library/auctioncompanydetail/511382

Link to Steve Ivy Numismatic Auctions:
https://nnp.wustl.edu/library/auctioncompanydetail/511017