On Thu 2015-04-30 17:49:28 -0400, Matthew Monaco wrote:
> Why isn't gpg smarter about selecting only from the /available/ keys
> at the time of signing? BTW, I'm using 2.1.3
I think this is the crux of your issue.  It sounds like a bug to me.
I've opened a bug report about it:
 https://bugs.gnupg.org/gnupg/issue1967
hth,
        --dkg