Well i think knowing an approximate number of chips circulating now, would help to estimate the value.
Talking by myself, based on pictures and emails of the original finders, i would pay no more than $4-5 each to make a single set.
I would like to make a home poker set, but as i said, it's up on how many chips will go on the market, it could be fair $1 or $2 or even $.50, if chips are around in very high number.