Marco Polo No. 6 - Bastion (1975-1978) Condition 2
Marco Polo No 84 - Bastion (1975-1978) Condition 1-2
Marco Polo No 22 - Bastion (1975-1978) Condition 2
Marco Polo No. 48-Bastion (1975-1978) Condition 2
Marco Polo No. 3 - Bastion (1975-1978) Condition 2
Marco Polo No. 95-Bastion (1975-1978) Condition 2
