Double Agents Iron-on transfer and Glow in the Dark stickers

The last special offer from Trebor was the iron-on transfer and sticker kit. Here is the iron-on:

Here is the reverse side of the iron-on.

This advertisment appeared in Hulk Comic in August 1979.*

Here is an image of the stickers, magnified and rotated from the above advertisment.

The following is another advertisment from Hulk comic in September 1979:

* Thanks to Darren Stephens for supplying scans of these advertisments