Anniversary card???

Okay...my friend quite recently came out to me as being trans. It's not a huge surprise, but I have to put much more thought into how to address her.  She's caught in a male body, and has a boyfriend, however she is a woman. Her mentality and everything is woman. She unfortunately is not in the correct body. Her boyfriend is aware of this and isn't gay? He...well you know he loves who she is, and they're both looking forward to when she goes in for surgery in the next year or so. They've been going strong for about three years now. Their only rough spot was at the beginning of their relationship when she tried to move from being the guy friend to partner status(at this point in time I simply assumed she was a gay male). HOWEVER they're quite happy together now☺️ 
Anyways, their anniversary is coming up AND I DONT KNOW WHAT CARD TO GET HER. We've ALWAYS done goofy cards for anniversaries, but I never took into consideration how she felt about me giving her cards with a woman and man partnership. 
Will it matter?? Do I get her a comedic malexmale card or do I go with a comedic femalexmale card😥 I don't think she'd be offended since the switch up is quite confusing, but I also don't want to possibly offend her boyfriend by insinuating that he's gay. He very fiercely defends her because he feels she is a woman (she is). 
I don't want to ASK because it'll completely ruin the surprise. I don't know what to do😔. There are a couple cards about trans people, but honestly they're disgusting and show nothing but a bias towards hating on trans. 
No transphobia or homophobia please and thank you, any bigotry will be reported. I simply want to give her and he the best anniversary surprise

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