Newton Comics' The Silver Surfer #1 was published 27 September 1975:
The cover is from Marvel Comics' The Silver Surfer #1:
The story contents are as follows:
The Origin of the Silver Surfer!, originally published in The Silver Surfer #1, August 1968
Call Her... Medusa!, originally published in Journey into Mystery #96, September 1963
These stories appear to be reprinted complete and intact.
This issue included a Swap Card:
The card is Hulk Series A (1 of 15) No. 1 featuring the cover of The Incredible Hulk #1.
This issue contains in-house advertisements for the following Newton comics:
Doctor Strange #4
Conan the Barbarian #4
The Silver Surfer #1 was advertised as Out Next Week in Hulk King Size Annual #1:
It was also announced as "from this month onwards" in letter columns appearing in other September 1975 issues.
This issue also includes a two-page Marvel Mailbag spread, an advertisement for Origins of Marvel Comics, a t-shirt offer and a competition with the expiry date 10 November 1975.