Reproduction pendant design

[syd33]

I am working on designing a reproduction pendant based on an antique stick pin I purchased. I would like to be able to wear it on a variety of chains so I am planning for it to have an enhancer bail on the back but thought I would post here to see if there was another attachment option that I should consider. Also any issues with enhancer bails I need to consider...I don’t have any at the moment so wondering how secure they are... Ideally I would like to be able to switch between thicker gold filled chains, omega and DBTY chain. Any ideas or advice are appreciated.