Miss. & Rum River Boom Co. v. Patterson, 98 U.S. 403, 407-08 (1878); see United States v. 6.24 Acres of Land (Weber), 99 F.3d 1140, 1996 WL 607162, at *5 (6th Cir. 1996) (per curiam) (unpubl.) (“We assume that buyers and sellers of ordinary prudence are knowledgeable and that they are not motivated by speculation or conjecture.”); accord United States v. 760.807 Acres of Land in Honolulu, 731 F.2d 1443, 1446 (9th Cir. 1984).