I've recalced the unmerge (newly created) user which because of a bug didn't happen automatically. I've also fixed up those bounties (as well as fixed the bug so that happens correctly in the future).
The loss in rep on either account was the result of two things:
- Deleted content - this is (currently) normal, reputation will be corrected after a recalc, which happened here a few times...meaning votes on old now deleted posts no longer counts or appears.
- Cross-voting between your accounts - this is status-bydesign removed and will not be recovered. Normally there should be very little cross voting between users, so this is a non-issue. If there are exceptional posts between you that warranted upvotes, you're free to go vote again (note: doing so many times in a day will just result in reversal, another safety mechanism to prevent gaming the reputation system).
Sorry this didn't go so smoothly, but it was the first production test of user unmerging (something we don't want to have to use). In the future be careful not to log in over-top one another, so no auto-merge triggers are hit.