yossi,
no clue what was used to build it up but i think whoever did it, knew what they were doing. if anyone knows the process, I'm quite curious now...
i just know that the paper used prior to '55 (i think) does not glow under black light. when i was putting together my 52 set someone enlightened me to this. the only thing i woulda suggested, and don't know if it's possible, would have been to use "pre-war" paper vs the new glowing paper.
this lil tidbit saved my arse on the jackie robinson card but absolutely crushed the guy I was going to buy it from when he saw it glow....
and cheers!!!
