Here's the dope on the reissues of the kit, from Dr. Graham's book on the history of Revell:
"H-304 PT 212 1954-61 1/98 $50-60 [Dr. Graham's estimate of the kit's going price on the collector's market as of the publication date of the book, 2004]
"Gray plastic. Decal, paper signal flag sheet. Three figures. Box art by Eidson.
"Reissued as: HNF-6 Admiral's Fleet (1954); G-311 Victory at Sea (1955); H-396 Motorized PT-212 (1961); H-421 PT 212 (1962); H-306 PT-207 (1966); H-421 PT 212 (1972); H-464 PT 211 (1975)."
Dr. Graham's coverage ends with 1979; I suspect the kit has been reissued since then. The book also doesn't cover reissues under the Revell Germany label.
I don't remember how many times I built this one as a kid; I do remember that the motorized version, with a pair of fresh AA batteries, could really charge across the bathtub.
I imagine everybody's noted that there's a nice article on the kit - by Dr. Graham - in this month's FSM.
Youth, talent, hard work, and enthusiasm are no match for old age and treachery.