Real California Gold Nuggets "Of Such as These are Empires Built"

Front:
****** Of such as these Empires built" Res HAENKRIPSM 1938-MOTHER LODE SOUVENIR CO.-PUB. 487632 Real California Gold Nuggets S

Back:
CORRESPONDENCE ONLY THE GOLD NUGGETS ATTACHED TO THIS CARD ARE GENUINE THEY WERE "PANNED" FROM STREAMS IN... CALIFORNIA'S HISTORIC MOTHER LODE HERE