1963 Pacific Southwest Airlines Christmas Party Map & Letter PSA NCR San Diego

1960s Pacific Southwest Airlines Christmas Party Map & Letter The PSA - NCR ( National Cash Register) Christmas Party! This was likely a very lively party, complete with a Bourbon Bar, Scotch bar, champagne bar, beer bar and gin & vodka bar! No date shown on letter, but Wednesday, December 18th corresponds to 1963 or possibly 1968. 12/18/1963 San Diego, California aviation history. Map measures 24" x 13" and is stapled to letter.