Los Angeles, California. $50 1929 Ty. 1. Fr. 1803-1. Security-First NB. Charter #2491. Very Fine.A scarce denomination for Nationals of any kind. This example was issued by the Security-First National Bank of Los Angeles (Charter# 2491) which represents the third title used by this long-lived institution which originally chartered in 1880. A light annotation can be observed to the left of President Grants portrait.