Prev Next Category: Letter Exhaust Stack 1979-12-17 Mogens Otto Nielsen, Denmark Section: Mail Art Network Sent from: Hjallerup, Denmark Medium: Printed matter, Paper, Marker Category: Letter, Booklet Dimensions (cm): 7.5 x 10.3 Pages: 16 Subject: mogens otto nielsen, exhaust stack, mogens otto nielsen, atmosphere controlled, mail art, visual poetry, fyldeboetten, food, signs, marks