A guy has this for best offer sale. 500 sheet box. I don't know the grade -likely 2, of course Don't know the date or weight yet, either. Is this a rare/in demand size? I know people talk about postcards and then there is the postcard exchange etc How much would this fetch on ebay? I don't want to short the guy but don't want to pay ebay. 4x5 1960's Azo doesn't sell for too much. Perhaps $30 a 100 sheet box I'm not really interested in 500 sheets as it's likely just plain more than I'd want to pay for it Would anyone be interested in it? Rather interested in 400 sheets? I'll have more info to share tomorrow if anyone is interested.