C-14 calibration changes Coptic curve

VARIANT READINGS: A New Radiocarbon Calibration Curve and Early Christian Manuscripts (Brent Nongbri). The new INTCAL20 C-14 calibration shifts the probable date range of some Coptic (and presumably other) manuscripts to some decades later than previously thought.

For past posts on Carbon-14 dating, see here and links. Cross-file under Technology Watch and Coptic Watch.

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