2006-S San Francisco Old Mint Modern Commem Dollar $1 Graded GEM++ Proof Deep Cameo By USCG. 0 The 2006 Old San Francisco Mint Silver Dollar was issued to mark the centennial of the building's survival of the 1906 earthquake and fire. The so-called "Granite Lady" was also viewed as instrumental in helping the city recover following the disaster. The Reverse is especially significant to Morgan Dollar Collector's as it is a copy of the Morgan Dollar Reverse. Encapsulated and graded Perfection Gem+++ Uncirculated by USCG.