Kingham rear door cards

Pair of unused rear door cards for a 2018 Kingham. A warranty claim that took 18 months to arrive by which time the original problem had been resolved. They have subsequently been wrapped and stored in the ‘might come in useful’ section of my garage for around 2 years. They must have a value but have no idea what. If they are of use to someone on here get in touch. Would expect a donation to an Alzheimer’s charity.
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Think I have posted this in wrong section. Can it be moved to sales?