UPS in New York actually offers an auction house pickup and shipping service for the high end auction houses. On the shipping form for Christies you can authorize the pickup of your item by a third party shipping company.
From the UPS website:
Auction House Pickup
We pickup from Christie's, Sotheby's, Bonham's, and other auction houses to provide a cost effective and secure alternative to auction house in house shipping. We will pickup your fragile, high value items provide a customized packaging solution and deliver the items guaranteed safely anywhere in the world. Call us for a free quote.
https://newyork-ny-4766.theupsstorel...ces/pack--ship
For many of the items in the baseball auction such as photographs, cards, documents, etc I bet that choosing this method would probably save you a considerable sum.