Go thru the process as it is 'Significantly not as described'
There is considerable wear as the blade is almost flush with the rear flanges.
If she claims it's a different razor there should be some marks to disprove that.
One warning tho - don't send it back till you have a refund. I sent an item back once on Paypal's instructions & seller never refunded me. Also if they clear their account Paypal has no access to their money. Hope you have more luck than me.