#KS1053a "The Grinnell Hawaiian Missionary Stamps" P. Pearson for the Royal Philatelic Society London, Ltd, 2006 MSRP: Was: Now: $5.50 - $9.95
#KS1054 "World's Rarest Stamp,The Black Honduras" by Mystic Stamp Company, 2016 MSRP: Was: Now: $2.50 - $7.95