I don't think I know what you mean by "two" pieces? When I look at it, it appears to be all the same? All parties involved have long ago passed away, so I don't know anymore than what is in the listing.
I amm acatholic and this rosery is complete -there are so many prayers said ten times then one said one time then start again differnt prayers for the last part hanging down if wanti can explain in detail what each stands for