Where Scripture takes it next: Matthew’s passion narrative pays Judas thirty silver pieces and later explicitly uses Zechariah’s potter/silver material in Matthew 27:9–10. This is an explicit Christological application, even though Matthew names Jeremiah and adapts the wording.

Canonical Aha: Exodus 21:32 sets thirty shekels as compensation for a gored slave. That makes the contemptuous valuation especially suggestive, but Zechariah does not itself label the sum ‘the slave price.’

Evidence boundary: Matthew’s Jeremiah attribution is a real intertextual issue; we explain it rather than hiding it.