Wyo. Stat. § 34-5-108
Any conveyance of real estate heretofore, ten (10) years or more prior to January 1st, A.D. 1935, recorded in the county where such real estate is situate, executed by any foreign administrator, executor or administrator de bonis non, appointed and acting under an order of any court of any state of competent jurisdiction over estates of decedents in such state, when such order was made by the court wherein such executor, administrator or administrator de bonis non was appointed or the judge thereof, and when such conveyance was made in conformity to the laws of the state in which such administrator or executor was appointed, and any conveyance heretofore, ten (10) years or more prior to January 1st, A.D. 1935, recorded in the county where such real estate is situate, executed by any such executor, administrator or administrator de bonis non, under the provisions of any will duly probated in any court of competent jurisdiction wherever situate, when such conveyance was made in conformity to the law of the state in which such administrator or executor or administrator de bonis non was appointed, shall be as valid and binding upon the heir and devisees of the decedent and their successors in interest, as though such conveyance were made in conformity with the laws of this state; provided, such conveyances herein mentioned were made in accordance with due process of law in such state.
W.S. 34-5-108