Salt under the Microscope
Blue-Violet Queen Victoria Stamp
Blue Benjamin Franklin Stamp
Blue King George VI Stamp
Blue Post Building Stamp
Blue King Alfonso XII Stamp
Blue King Alfonso XIII Stamp
Cyan King Alfonso XIII Stamp
Blue Falcon Stamp
Blue Pierre Nord Alexis Stamp
Blue Art Nouveau Stamp
Blue Hradcany Castle Stamp
Blue Agricultural Stamp
Blue Eagle Crest Stamp
Blue Sower Stamp
Blue New Constitution Stamp
Blue Locomotive Stamp
Blue Queen Victoria Stamp
Blue Emu Stamp
Cyan Swan Stamp
Blue Swan Stamp
Invitation
Escalator looking up
Stairs
Stairway
Constandamio
Stairs of Chefchaouen
Lone Biker on the Road Through Mountains
