Scott No. 1060-61
Date of Issue: October 10, 2000
Scott No.: B520
Date of Issue: April 6, 1976
According to the card in the FDC, the 25c surcharge went to the WWF. Fun fact: the Green Marsh frog makes a sound like a human laugh.
Scott No.:
Date of Issue: February 3, 1976
This first-day cover was issued for "Oetelpost" 20-22 February, 1976. It's unclear what, if anything, the FDC has to do with the stamp itself, which commemorates the 250th anniversary of the state lottery.