Picture that can't possibly show both of your hands

• Vanity case
• Shot taken with a long stick, maybe
• Pic made with a stick, perhaps
• Pic taken at arm's length
• Cellphone shot
• Many a Snapchat posting
• Many an Instagram
• Many a smartphone photo
• Snap swell of tide - what are the odds?

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"photograph taken by pointing the camera at oneself," by 2005, said to be in use by 2002, from self + -ie .