This seems an awesome app. Send a physical postcard with your own pictures & text to anyone in the world. Apply code CARD100 at checkout. Code appears to allow one single use. Sent myself one and received a confirmation email within minutes. Enjoy :)
Dear Postando User, we are pleased to confirm your order and thank you for using our service. We guarantee highest printing quality for your individual Postando while using carbon friendly paper to save the environment. When will your Postandos arrive? Your order is being processed within 24 hours and handed over to our third-party logistics provider. Shipping usually takes 1-3 days (Germany) or 3-7 days (sending to all other countries).
Full credit to Chollometro & HUKD for the find.