Complex sentence: Giuffre agreed, forfeited the two lots, valued at $174,000, and they were sold at auction for a fraction of their value, to acquaintances of someone in Bissell's prosecution office.
Split into simpler sentences: Giuffre agreed, and he turned over the two lots, valued at $174,000. They were sold at auction below their value to acquaintances of someone in Bissell's prosecution office.