💧 Happy Holiday!

[We're taking this thing back, dammit.]
Earlier this week, I mailed out a card to a few dozen friends. But you, dear reader? You deserve a card too.

Why look, it’s a card for you! With a lovely matching stamp, affixed at a jaunty angle!

It’s so festive!

Well, that’s very nice. But wait, what the hell holiday are we celebrating?

There is a definitive answer to that question, and you can find it in the third image. When you come acrostic across it, you’ll know.

Click to reveal the answer.