Sample 1:

Missing tag, shows evidence of use.  Wear pattern and red marker similar to earlier 1980s dated Pattern 83 items.

“T” on pouch for “Tourniquet” ?

 

Exactly the same layout as tagged example here: https://www.bidorbuy.co.za/item/249858855/RARELY_seen_SACAN_private_purchase_SADF_nutria_R4_mag_chest_webbing_near_mint.html

Removed tag ghost is even the same size and shape, and in the same location.  Only difference is Sample 1 has 2 velcro hook attachment points on the flap while this one only has 1.