Any pledge made by the board shall be valid and binding from the time the pledge is made: Provided, That the pledge by the board of all or any portion of the moneys derived from admission fees to athletic contests at West Virginia University shall be subject to the written approval of the director of athletics at West Virginia University. The moneys so pledged and thereafter received by the board shall immediately be subject to the lien of such pledge without any physical delivery thereof or further act. The lien of any such pledge shall be valid and binding as against all parties having claims of any kind in tort, contract or otherwise against the board, irrespective of whether such parties have notice thereof.