Joe's old diary turned up in Playboy for cash (6)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

GI [Joe] + a reversal [turned up] of O [old] LOG [diary] – I’m not quite sure about this: being a fan of ‘lift and separate’ clues, I want the definition to be as I’ve indicated; there is a not very well known play entitled Gigolo [which would give a double definition, in fact] – but I’m not sure that that was Crucible’s intention