(95.81 KB, 720x720)
(463.99 KB, 2048x2048)
_o on Instagram filenames indicates high resolution, 2048 dots at least (or most?) for particular image from unknown year (pre-2014?). Second and third digit clusters remain the same but first one is different: 284553_4596185072458_919007625_n.jpg = 720x720 px 326111_4596185072458_919007625_o.jpg = 2048x2048 px