GDL direction slab, Unicorn Ridge [????- ] | Gwulo: Old Hong Kong

GDL direction slab, Unicorn Ridge [????- ]

Current condition: 
Ruin

Year completed is: Accurate
Condition at last visit: Top face complete, all directions visible
Date of last visit:
Ref: ROB-01012
Other:

Text on slab:

Bn HQ
Main Road to Kowloon
PB 219 - 222 L 70 - 75