Here are four tougher porcelain pieces -- all made by GAMMA in Colombia -- actual postage additional:

U-TBD (Same shape as CD 203) ink stamped on the dome GAMMA / 1988 / MADE IN COLOMBIA - no issues -- $25

U-2239A ink stamped on the dome with the Gamma logo / MADE IN / COLOMBIA / 1969 -- just a few light scratches -- $8

U-2239 ink stamped on the skirt Gamma logo / MADE IN / COLOMBIA / 1972 and ENENCIA / BOGOTA on the dome -- no issues -- $8

U-1321A (same shape as CD 155) -- ink stamped on the dome GAMMA / 1988 / MADE IN COLOMBIA - no issues -- $15

Or take the set of four for $45