Douglas Elliman Realtor Deborah Elias told me about Tommy De Vito who actually started the whole group that became the Four Seasons. "He was engaged to my mother, Gloria, whose nickname was 'Tex.' She was a dancer. Mom was young, Tommy was young. She was 18 when they became engaged. It didn't work out because he was on the road so much, but she was crazy about him.

"Tommy's doing OK today. He's in Vegas and works for Joe Pesci. We're in touch. I called him recently, and he said now it's his turn and he's in the process of writing his own book about his own life, his own part in the Frankie Valli story, his own personal experiences. He said he'll mention my mother in it.

"Frankie knows mom, too. She took us to Atlantic City to see the Four Seasons and he waved at her. See, he knew my whole family because they had nightclubs in Jersey.

"Mom actually saved all Tommy's love letters and cards. Lots of his memorabilia. I must ask if he wants to see this stuff. He doesn't even know we have it."

And how's De Vito feel about Broadway's new hotshot musical?

"He said they embellished the truth a little."

MORE. I loved the show but I'm not really into wall-to-wall Frankie Valli. However, a Jersey guy, Walt Gollender, self-called "the world archiver for Frankie Valli," sent me a truckload of unwanted history on him. I don't know what to do with it, so I'm shoving it on to you:

Like a 1957 Newark's New Broadway Lounge table card which says it's located "opposite Roman Furniture." Underneath, photos of the original quartet then billed as "The Original Four Lovers," it says they "starred on the Jack [misspelled] Parr show."

There's Bob Gaudio's 1962 business card - 145 Phelps Ave., Bergenfield - advertising "Music for all occasions." Tommy De Vito's "Star Enterprises/booking agent/recording artist's" consultant card. A copy of Corona Records' 1953 "My Mother's Eyes," Frankie's first disc. It sold zero. Ads of the Four Seasons working next to a coffee shop and Costco. A shot of Mary Castelluccio, Frankie's mom, in her 35 North Pine Lane, Newark apartment, reading Gollender's 1972 article about her kid in Bim Bam Boom magazine. A $3.50 ticket to see the Four Seasons appearing at West Orange High School.

A story of when the group was the Varietones, doing country and western, at downtown Newark's El Morocco on "Wednesday, Friday or Saturday, the nights unknown groups worked there . . . There were never many customers." It talked of "Guitar Man Tommy De Vito of Montclair offering his rendition of 'The Italian Cowboy Song' and the thin little fellow who beat on his cocktail drum with his brushes while working a foot pedal, shaking two maracas and singing 'My Funny Valentine' in falsetto," and how Gollender had a 1956 Mercury Record where the label copy read "Frankie Valley and The Travellers." A 1958 Okeh record called him Frankie Vally. In '59 he was Frankie Valle and the Romans.

There's a writeup of Frankie, 16, in "dungarees and T shirt with a hole in it" singing in the Variety Trio. A review of them working the Lackawanna Railroads Plaza in Orange, N.J. Pictures of them on the first Dick Clark "Bandstand" show in 1962 with their first hit, "Sherry."

In 1977's Time & Barrier magazine, Walter Gollender records the end of the Four Seasons' era with these facts: Frank Castellucci took his name from pop singer June Valli. He left school, Central High in Newark, to find regular work. In '58 he worked as a single.

Frankie today is 73.

And one thing more. De Niro, Joe Pesci, Frankie Valli, together, all hit Da Tommaso without a reservation and nailed the private dining room just for themselves. The topic? "Jersey Boys."

That's it. I'm finished. Color me Frankie Valli'd out.

THIRTY days hath September, April June and November and all the rest have 31 except pitiful February, which only has 28 except for leap year, right? So this lady's buying a dozen eggs at a CVS store. Expiration date on the egg carton? It read: "Best if used by February 30."

Only in New York, kids, only in New York.