The third map postcard I have is that of Iowa.
The state symbols of Iowa::
* State bird: Eastern Goldfinch
* State fish: Channel catfish
* State flower: Wild Rose
* State fossil: Crinoid (proposed)
* State grass: Bluebunch wheatgrass
* State song: "The Song of Iowa"
* State tree: Oak
* State colors :Red, white, and blue (in state flag)
* State rock: Geode
We also have a US States fact cards with fun facts that Iowa is the only state that starts with two vowels and the only state bordered on both east and west by water (the Mississippi River on the east, the Missouri River on the west)
Iowa State Symbols
Iowa Wikipedia Entry