006Sets/0070081/∞One of One4/∞Four Editions5/∞Five Editions10/∞Ten Editions20/∞Twenty Editions40/∞Forty EditionsSet 007FiniteWithout the finite we cannot appreciate the infinite. Set 007 is a nod to the seven tiers of the semiperfect checks grid. Created by Jack ButcherPrint Editions8,496 Opt-InsConsensus met on Jun 28, 2023Reveal mechanism v1Block 17580655Set SignatureDeep Dive OpenStatus Skeumorphismon the readability of rarityOpenChecks Grid80 and its divisors form a semiperfect number