trial_description_8:
One surface, finished with broad chisel and weathered, ends with a rebate 0.138m. back from the surface, and 0.035m. preserved in other dimension. This rebate cut with broad chisel. Tiny bit of surface on opposite side of block preserved, giving 0.43 as height from said surface to rebate.
Stoa Poikile series.
Poros.
ADDENDA Height may be thickness and vice versa.