Prev Next Medium: Paper Letter from Ackerman 1981-10-01 Al Ackerman, USA Section: Correspondence A-Z Sent from: Portland, OR, USA Medium: Paper, Photocopy, Printed matter Category: Letter, Envelope Dimensions (cm): 28 x 21.8 Pages: 8 Subject: cartoon, al ackerman, blaster, laughing postman, koinos, kosmos, david b greenberger, duplex planet, duplex planet stories