Does anyone know when Eley might have started making pinfire cartridges?

From the IGC Database, Eley Brothers started selling pinfire cases, probably French manufacture, in 1860, and patented their own version in 1861. Is it known if they started making Eley pinfire cartridges in 1861?

Last edited by Steve Nash; 07/16/20 06:58 PM. Reason: Additional information