#28931995 5c G-rate Old Glory, Non-profit
$0.75- $4.25 #U5791978 2.7c Stamped Envelopes and Wrappers - Non-Profit, green
$1.75- $2.95 #U6201991 Postal S. Non-Profit
$1.75- $2.95 #50612016 5c USA and Star, nonprofit
$0.20- $3.75 #3189o1999 33c Celebrate the Century - 1970s: Medical Imaging
$1.95- $3.20 #22101986 22c Public Hospitals
$0.20- $48.00 #28791994 20c G-rate Old Glory
$0.20- $100.00 #17211977 13c Peace Bridge
$0.20- $32.50 #28801994 20c G-rate Old Glory, red "G"
$0.50- $125.00