Hi @Gp112,
Welcome to the community and thank you for your post!
I do understand your concern with this. If a transaction is cancelled by a merchant, a full refund would be issued to you. If the merchant issued a refund, they may have issued a partial refund. PayPal cannot control the amount of a refund you receive.
To clarify this, the best thing to do would be to contact our Customer Support. To contact us, simply click here. Alternatively, you can contact us via Facebook https://www.facebook.com/PayPal or Twitter @AskPayPal.
I hope this helps!
- Rachel
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