B-block staging entry validated for model fit. Imported from staging batch duell-thimm-b, source entry 230.
Gelli repeats the Blackwell attribution and gives the London state as 1706, while the local Thimm-derived family keeps the broader 1702/1705 witness range.
Castle also records the 1705 London Blackwell witness with five woodcuts and twenty-four folded copperplates.