Actually, they are. And, contrary to the widespread perception that millennials are mired in debt and glued to their portable devices and "killing" industries left and right as a result, greeting cards are not one of the losers.
IL, I rarely see the local cards in the touristy stores. The other day I found a card with local scenes at a local supermarket; that's the kind of card I expect to find at an independent store that's known for reselling "makers" products (locally-made clothing, handicrafts like cutting boards and trivets, local artisan food, etc.).
Or ... you yourself could take a picture of Hermann that you like, make three dozen prints of it, and mount each print to a blank card. Too late for this year, I know, and you might have to go mail-order for the card blanks, but I've sold sets of note cards for fundraisers doing this. It works. Maybe not quite as cheap as mass-produced cards, but not much more expensive and you get exactly what you want.