Update to this: I submitted a photo earlier with both of my affected keys, and I just got an email back with a coupon code good for both keys, with free shippin

Update to this: I submitted a photo earlier with both of my affected keys, and I just got an email back with a coupon code good for both keys, with free shipping. As bad as this might have been, Yubico seems to be doing a top-notch job of covering their customers.