Subject to such additional limitations as may be provided in the articles of incorporation subscriptions to, or the purchase price of, the capital stock of any corporation organized under this chapter may be paid for, wholly or partly, by cash, by services actually rendered, or by property; and the stock so issued shall be declared and taken to be fully paid stock and not liable to any further call, nor shall the holder thereof be liable for any further payments under the provisions of this chapter. In the absence of actual fraud in the transaction, the judgment of the directors, as to the value of such services actually rendered or of such property, shall be conclusive.