The item in question is a $25 Flamingo Las Vegas, small key mold, diecut chip from 1947...
TCR number is N6974.C... here is the example shown on the ChipGuide:

A friend recently uncovered one of these in his Dad's possessions and wonders what the current
value might be... here is his chip:

I told him I'd ask around and see what the consensus was regarding condition, value, cancellation, etc. -
all opinions welcome - thanks in advance!