A December Conundrum

The dictionary defines scruples as: An uneasy feeling arising from conscience or principle that tends to hinder

Here is my scruple question for you.

You mail Uncle Zonk (name changed to protect the innocent) his birthday card which you dutifully send every year. In the card you insert a Loto ticket, (even Uncle Zonk is worth five dollars.)

Uncle Zonk moved and didn’t let you know so of course your wishes for a Happy B Day were returned to you.

So you open the card to re address an envelope BUT discover that the ticket you sent him was a winner and worth 10,000$

NOW do you readdress the card (with the ticket) and send it off to your Uncle or ………????