Where to find the Old Keepsake Box?
The Old Keepsake Box contains 8 of the journals needed by Act 1 achievements "A Quick Study" and "Historian of Tristram". Based on the answer at https://gaming.stackexchange.com/a/70084/26911, it can be found randomly in Old Tristram or The Old Ruins. Is there a quick way to locate the box?
List of Journals:
- Cain's Old Journal, Part 1
- Cain's Old Journal, Part 2
- Gillian's Diary, Part 1
- Gillian's Diary, Part 2
- Lost Journal
- Old Diary
- Despina's Journal
- Old Tristram Journal
The quickest way is to start the quest "Legacy Of Cain" and use the waypoint to The Old Ruins. Look for the Old Keepsake Box at the locations marked by red X. Once found or not(it could have spawned at the The Old Tristram Road), leave the game and resume. Repeat until all 6 journals are found.
Update: From further testing, the box appears most often in those 2 locations I've marked. If not found, try looking at the other locations mentioned in Rill's answer.
I have updated the map with the locations I have found the box in.
Good Luck.