Three porcelain pieces as follows -- actual postage additional:

U- 612 unmarked, cool glaze, no issues -- $5.00

U-234 in an awesome mottled gray-green shade, a couple minor pings and an inside skirt factory chip -- $15 (SOLD)

U-447 early and crude - maybe PINCO or OB but not marked -- flat ear chip & base flake -- tough color! $12 (SOLD)