504 F.2d 518, 545 (5th Cir.1974) (footnote omitted); see also Atlantic Coast Line R. Co., supra. The former Fifth Circuit has so held in a host of condemnation cases in which a landowner sought to introduce evidence of an unaccepted offer. See Jayson v. United States, 294 F.2d 808, 809-10 (5th Cir. 1961); United States v. Playa De Flor Land & Imp. Co., 160 F.2d 131, 136 (5th Cir.1947); St. Joe Paper Co. v. United States, 155 F.2d 93, 98 (5th Cir.1946); United States v. Dillman, 146 F.2d 572, 575 (5th Cir.1944); Certain Parcels of Land in Rapides Parish, La., 149 F.2d at 82 n. 4. Further, that court has indicated that such offers may be so unreliable that it. may be error for an expert to base his opinion thereupon or to reference them in trial testimony. See Smith, 355 F.2d at 811-14 (<HOLDING>); cf. Atlantic Coast Line R. Co., 132 F.2d at
holding to that effect with respect to rule 64 holding to the same effect holding to that effect with respect to unexercised options to purchase land which the court likened to unaccepted offers holding to like effect with respect to a standcommitted fine holding the same with respect to an apartment