Advice needed, African Herbsman 1973?

[Snow Leopard]

I am trying to date my copy of The Wailers' African Herbsman, can anybody help? It is undated on a blue Trojan label TRLS 62 stereo - not sure when Trojan started using blue labels. 'S11' & 'S12' on central vinyl. It was certainly old when I bought it in the early 1980's, so it does not look like the 1978 reissue. The inner sleeve is one of those old Decca paper/poly ones with instructions for record care on it. The question is, is it the 1973 original issue?

Thanks.

[John Public]

most of the stuff on that album was already released on the "soul rebels" "soul revolution I" in 1970-71. Lee Perry released that album after the wailers already left him in 1972 with some bonus tracks like african herbsman in 1973