There are a lot of 2nd hand zines for Blake's Seven Please see these pages:
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Good Condition)
Horizon A5 reprint
Condition: 2nd Hand (Good Condition)
Horizon A5 reprint
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Good Condition)
Horizon A5 reprint
Condition: 2nd Hand (Good Condition)
Horizon A5 reprint
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Good Condition)
Horizon duplicated A4 zine
Condition: 2nd Hand (Good Condition)
Horizon A4 duplicated zine
Condition: 2nd Hand (Good Condition)
A4 zine from Horizon
Condition: 2nd Hand (Good Condition)
Authors include Pitt, Hawley, Seaman, Dennis, Moulden, Ingle
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Middling Condition)
Condition: 2nd Hand (Poor Condition)
Horizon A5 reprint. Front cover creased
Condition: 2nd Hand (Good Condition)
Digest zine
Condition: 2nd Hand (Middling Condition)
Horizon A5 reprint. Front cover torn
Condition: 2nd Hand (Good Condition)
Condition: 2nd Hand (Good Condition)
Condition: 2nd Hand (Good Condition)
Condition: 2nd Hand (Good Condition)