Now that's a good point. Important distinction.

I was thinking of a physical photo, like a kodak print. Not carrying a phone.
Physical objects, something like as simple as a piece of fruit.
Depends how your memory works and how efficiently you could use a mnemonic device.

Would not suggest a photo sind a photo is often taken with a smart phone and most of these are automatically backed up to the cloud.  Once your seed is in the cloud it is vulnerable to hacking since you have no idea who might have access or where they will end up.

RoundaboutStacker

bitcoin

How to secure backup seed at the airport?

momboteq

I suppose if you were suffering from amnesia you could carry something to remind you of the phrase/word, like a photograph.