Here are three less common uni-parts as follows -- actual postage additional:

U-402 no markings, cool piece in chocolate brown - no issues -- $5 (SOLD)

U-794 no markings - cool early radio treatment - just some light scratches -- $5

U-513 (ink stamp) "Lapp logo" LAPP / 6086 - awesome early Lapp mottled glaze - no issues -- $5 (SOLD)

or take the remaining two for $8 plus actual postage