18 [no page number], Trench O, 14/5/1968, L 4524 Pg. 18, Trench O, 14/5/1968, NB409 B11, Trench O, Lot 5168 Pg. 18, Trench O, 14/5/1968, NB409 B11, Trench O, Coin 1968 963 Pg. 18, Trench O, 14/5/1968, ... 14/5/1968 ... Pg. 18, Trench O, 14/5/1968, NB409 B11, Trench O, Lot 5168 ... Pg. 18, Trench O, 14/5/1968, NB409 B11, Trench O, Coin 1968 963 ... Pg. 18, Trench O, 14/5/1968, NB409 B11, Trench O, C 1968 78