| Year: | 1981 | Club / Magazine: | Collectors Opportunity
| Address: | Roy K Benschop, Beukelsdijk 9 A, NL-3021 AA Rotterdam, THE NETHERLANDS | Country, code: | NL | Description: | 36 pages, two color offset, A5, articles in Dutch and English, a few ads, sample $ 1.
Roy also published Increase Your Sales Volume magazine, 32 A5 pages, two color offset, printing and mail order articles, sample $ 1. | Email: | | Homepage: | |
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