JHK's last art stamp (autorské portfolio : publikace a razítka)

Stamp Activity: výzva k zaslání razítek

Weather Activity : Project study of tornado for Europe

Dactyloscopic report (autorské portfolio : My Activities : Touch Activity)

JHK´s - Self - Touch - Study I

JHK´s - Self - Touch - Study II.

J.H.Kocman works: 1970-1979

JHK's touch (autorské portfolio : My Activities : Touch Activity)

Art:Love:Life (autorské portfolio : publikace a razítka)

Project for temperature for Europe (autorské portfolio : My Activities : Weather Activity)

the most beautiful work of art is yourself (autorské portfolio : My Activities : Stamp Activity)

JHK´s Touch Study of My Surroundings II.