begining in 68,the last 8 digits of the v.i.n are stamped on a pad on the pass side of the block just above the oil pan,the # you show is 9=69,B= hamtrack,then sequence # of car that motor came from.Look on the drivers side
on the small blocks(273,318,340 and 360) the EIN,(engine identification number) is on the drivers side at the front of the bock,just below the cylinder head.If you have power steering,look approx 4" above the top of the filler tube of the pump