the bucks value of an article or piece of property could be the cost which it could deliver at exclusive purchase (as distinguished from a forced or auction sale) the regards to purchase requiring the repayment of the whole price in prepared money, without deferred payments. Ankeny v. Blakley, 44 Or. 78, 74 Pac. 485; State v. Railway Co., 10 Nev. 08; Tax Com'rs v. Ilolliday, 150 Ind. 210, 49 N. E. 14, 42 L. It. A. 820; Cummings v. Bank, 101 U. S. 102, 25 L. Ed. 903.