1. My understanding's that a local printer did these sets. I've seen the name Benco, at least for 1962, and C. A. Lithoven for 1968:
http://blog.deanscards.com/2011/02/v...all-cards.html.
2. Packs of 4 cards, I think, and pre-printed albums starting in 1964. (Collectors might've created their own, of course.)