#400 1913 10c Panama-Pacific Exposition: Discovery of San Francisco Bay, orange yellow MSRP: Was: Now: $19.00 - $2,750.00
#400A 1913 10c Panama-Pacific Exposition: Discovery of San Francisco Bay MSRP: Was: Now: $14.00 - $11,500.00
#404 1915 10c Panama-Pacific Exposition: Discovery of San Francisco Bay, orange MSRP: Was: Now: $60.00 - $5,500.00
#398 PB 1913 2c Panama-Pacific Exposition: Panama Canal, carmine, perf 12 MSRP: Was: Now: $295.00 - $505.00