Cover title in early 1974: Tammy and Sandie
Cover title as of June 22 1974: Tammy and June
Cover title as of January 19 1980: Tammy and Misty
Last issue June 23 1984.
It is believed that it was intended to merge Tammy with Girl, but a printer's dispute in June 1984 prevented the final issues being published and it was simply cancelled. Girl did carry the Tammy masthead for several issues from 25th August 1984 but these issues contain no material from Tammy.
Comic was not numbered, only dated.
No published issues on: 12/28/1974, 1/4/1975, 1/11/1975, 12/30/1978, 5/17/1980, 5/24/1980, 5/31/1980
Doubled dated issues: 21st & 28th June 1980