Catalogue information
Heer Bommel and the Annual Check-Up. Appeared in 15 separate episodes, only distributed to a limited group of Dutch doctors to promote the drug "Cardura XL". The first shipment consists of an elongated hardcover collection folder with two copper screws, in which the issues could be held together. The title page and the first comic page were attached to this shipment. Afterwards, 14 subsequent shipments followed, each with one comic page, sent in the envelope as shown in the photos. This envelope is the 1st mailing envelope of the episodes of "Heer Bommel and the Annual Check-up. A mailing consisted of one numbered strip. The envelope is numbered and bears the same number as the comic strip that was inside it. The envelopes were usually thrown away so they are not often offered. This is how Pfizer provided comic strips to collect them into a booklet.
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