Jane...I like posted pictures in here, as well as being referred to a person's "for trade" site.
Sometimes collectors send me lists of chips they have for trade and that is useless to me as I like to see pictures/scans of the chip/s I am buying or trading for.
Some dealers/collectors have lists which measure in the hundreds and as a new collector,if there is no picture....it does not help me out at all.
I also like it when collector's tell me what they want and then tell me what they will offer(with choices of course). There is no use sending me scans of hundreds chips you have to trade if only 2 or 3 of those chips will be an acceptable/equal trade in your opinion.
That's my take.