BESTFIT stems (2) for Standard caliber 96 - new in envelope

Two BESTFIT Stems for Standard (ST) caliber 96 movements, BF# 200 / 1728, new in open envelope. The package contains two stems, and if I had to guess one is probably aftermarket and the other is factory and a lazy watchmaker just put both of them in this envelope. I specialize is hard to find watch parts so I usually have whatever you might need, all watch parts are unconditionally guaranteed and offers are welcome. Images do a suitable job of representing the item.