Chesterfield occupies the north-east of Derbyshire at the point where the county's moorland and limestone plateau give way to the flatlands and former coalfields of the Midlands fringe. It is the largest town in Derbyshire after Derby, and it has always carried its industrial identity with a directness that the spa towns to the west do not. Coal. Steel. The Saturday market, one of the largest open-air markets in England. The river Rother running through the lower town.
Above the market, the Church of St Mary and All Saints presents the most immediately legible of Chesterfield's identities to anyone arriving from any direction: a twisted spire, visibly and unmistakably wrong, spiralling away from the vertical as if something inside it has been pulling it sideways for six hundred years. The structural cause is material and straightforward — unseasoned timber in the medieval construction warped as it dried under the lead cladding, a process that continued over decades and could not be undone once begun. The explanation does not make it look less like a spire that has been changed by something. Local legend, which prefers a more interesting account than structural engineering, is in this case the better phenomenology.
Within the Book of Thoth Saga, Chesterfield is the fourth point in the Mammon coin pattern — and the crooked spire is an alignment that the saga does not comment on, because it does not need to. The town is already carrying the motif.