Michael,
Thank you! I really appreciate that. My understanding is that the Warmtone SpotPens have "Warmtone" on the packaging while the Cold Tone SpotPens (as they are called at B&H) are actually neutral and have no color indication on packaging. So that must be what they are.

I used these on customers prints back in 1999/2000 when I worked at a camera store. The set had been around for several years at that point so I'm sure yours are fine. Again, I really appreciate it.

I can swing buying one set myself so that (along with the one print trade) gives me the 2 or each I was looking for.
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Sooooo..... THIS Special Offer is now over. Next time will probably be a 4x5 contact though I'm not sure when it will be posted. Probably in a couple of months.