Early Asahi Pentax adverts from Popular Photography. They were few - just couple adverts appeared in 1957 and 1958. The one below appeared in December issue and was teasing readers with the new Asahi Pentax camera.
The January issue revealed it to be - Asahi Pentax "Original"
Heiland Pentax advert for Pentax H2 in January 1960 issue of Popular Photography. This one is the first color advert for Pentax in Popular Photography. Starting from 1959 Pentax cameras featured more often on the pages of Popular Photography - often being strategically placed in the advertisements for Heiland flash guns.