trying to do the same.i collect only $1 chips now so im now redoing my chips from states to the abc storing so i know which casinos im missing from.that will be my goal this year is to get at least 1 $1 chip from every casino past and present.i know that will be a long and tireing and will cost money but thats my challenge .i have 60% of nevada taking care of and 75% of the rest of the u.s.a.now just getting the rest of nev and u.s.a $1 chips.then going to work on the obs $1's& out of country $1.