I say return it.
If a customer picks it up and doesn't mind it, then they'll buy it. If they believe it's been altered, then they'll move on. As far as I know, a customer may very well Apple the bag themselves after buying it and your aunt saved them the trouble.
If a customer picks it up and doesn't mind it, then they'll buy it. If they believe it's been altered, then they'll move on. As far as I know, a customer may very well Apple the bag themselves after buying it and your aunt saved them the trouble.