The points can be redeemed only for points, and points are only redeemable at a 6:5 ratio in the house's favor. Most players just keep their points on the tally board to avoid the 16.67% point deduction.
The criteria for allocation is controversial and mysterious, but the current theory is that the very (very!) small man who normally dances the tarantella atop my pineal gland occasionally spins a roulette-type wheel, then calls out a number from -10 to 10. I just report the news.

Beautiful stuff! Could you send me the ones under “Elen,” “Psyche,” “Two Sisters,” and “Persephone - Kore”?