Enigma

Or failing memory.

Might be both,

we had a large pin board on the back of the kitchen door. It had receipts for long dead lawn mowers and other obsolete appliances, birth notices for people who are now all grown up, Post cards from memorable holidays that we sent to ourselves. 35 years of stuff. All cleared out. Then I came across this Polaroid from an SX70. Who?where?what?why?when? 

Getting old is a bugger.