Stamp check

This stamp is genuine.

Issued by OddTruffle for the offer below. A genuine stamp always opens on hub.oddtruffle.com.

No. OT-A2A2-779D
Certificate of verification

OddTruffle Verified

OddTruffle certifies that this offer’s terms were confirmed with Delta.

DeltaBlue Amex 20% back on in-flight purchasesBlue Amex 20% back on in-flight purchases · No end date published
What was checked
  1. Terms checked on the brand’s own pagewww.delta.com/us/en/skymiles/airline-credit-cards/american-express-personal-cards
  2. Not yet tested by peopleIt’s checked the way a shopper would the next time it changes.
VALID
IssuedNov 4, 2026Terms checked on the brand's own page
Verified byOddTruffle Verificationhub.oddtruffle.com

Covers this version of the offer. If the brand changes anything a shopper relies on, it’s checked again and gets a new number. The brand’s own site is the final word on terms.

Get it at delta.com See the offer