I am in the process of liquidating my brother's antique cars, parts, tools, lawnmowers, snowblowers and household goods. This collection spans over 50 years and includes 17 cars that run. Because he is now in a memory care facility and did not keep paper records on anything, I have no idea what the cost basis of any of these cars would be or even the year that they were purchased although I do know that none of them were purchased new. All was sold during a liquidation sale...can I deduct the cost of the sale from whatever the gain is once I figure that out? Any help is appreciated.
