- All Postcards welcome !
- Art on postcards
- Briefmarken /Stamps
- Cathedral/Church/Temple/Mosque Postcards (ABSOLUTELY NO PHOTOS!)
- Comics / Funny Postcards
- Extraordinary postcards of Cats
- Fairy tale and comic postcards
- Fine Art on Postcards
- Food & Drinks Postcards
- Germany On Postcards (Single View)
- Maps on postcards
- Owls on postcards
- People on Postcards
- Postage Stamps!
- Postcard Collection
- Postcard Exchange
- Postcard trading!
- Postcards for Trade
- Postcards of UNESCO World Heritage Sites - NO PHOTOS
- Postcards swappers
- Postcards Vintage
- Postcrossing Swaps, Tags, Round Robins
- Postkarten/Ansichtskarten /picture postcards
- Postkartensammler/Postcardcollector
- Religious postcards
- Royalty on Postcards
- UNESCO World Heritage
- United States Postcards
- Vintage postcards - alte Postkarten
- Weird postcards
- Women on postcards