#33161999 33c California Gold Rush
$0.25- $25.00 #9541948 3c California Gold Rush Centennial
$0.20- $23.00 #32351998 32c Klondike Gold Rush
$1.00- $25.00 #9971950 3c California Statehood Centennial
$0.20- $27.50 #34382000 33c California Statehood
$0.30- $75.00 #3209g1998 50c Trans-Mississippi: Western Mining Prospector
$2.25- $3.00 #1538-411974 10c Mineral Heritage
$0.70- $26.00 #53062018 First-Class Forever Stamp - The Art of Magic souvenir sheet of 3
$8.95- $1,250.00 #2700-031992 29c Minerals
$0.80- $55.00