Insulators as follows -- actual postage additional -- $4 each or take all three for $8 plus actual shipping

U-1352 no markings -- nice glaze! -- tiny flakes on the inner skirt base

U-1352 no markings -- small flat top rest, thick white drippy glaze -- no issues

U-1352 no markings -- large flat top rest, super crude with numerous stress lines, super thin skirt! just a couple small pecks beyond the cool stress lines

U-1183 no markings -- Medalta style -- cool crude one with no issues (SOLD)