Also designated on the cover as Giant (DC, 1969 series) #G69 and as G-69 on indicia page.
On-sale date from Comic Reader (TCR Publications, 1964 series) #76 (December 1969) and copyright registration. House promotional advertisement for this issue in Superboy (DC, 1949 series) #163 (March 1970), listed the on-sale date as January 13th.