The Silver age began with the first "Comics Code Authority" stamp.
Okey, here's my silver age collection....
Silver Age (1956-72)
Batman 100, 123, 127, 136, 140, 144, 145.
Batman Annual 3.
Detective Comics 332, 341, 365, 388.
World's Finest Comics 88, 166, 177.
Now I'll check the dates.....
Batman 100: June 1956.
Batman Annual 3: Summer of 62.
Detective Comics 332: October 1964.
World's Finest 88: May-June 1957.
Answer: Batman 100.
Gold: 1933-1955. * (Campy)
Silver: 1956-1972. ** (Super Campy)
Bronze: 1973-1983. ***(Waning Camp)
Modern: 1984-present. (Death of Camp)
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This list is a work in progress.
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Golden Age (1933-1955)
Batman 1, 2, 4, 5, 7, 8, 9, 11, 12, 23, 37, 40, 44, 49, 52, 55, 66, 67, 73, 74, 80, 85, 86, 87.
Detective Comics 45, 60, 62, 64, 69, 71, 76, 85, 91, 102, 109, 114, 118, 124, 128, 137, 138, 149, 168, 180, 193.
Silver Age (1956-72)
Batman 100, 123, 127, 136, 140, 144, 145.
Batman Annual 3.
Detective Comics 332, 341, 365, 388.
World's Finest Comics 88, 166, 177.
Bronze Age (1973-1983)
100 Page Giant Batman Vol 35: 254, 257.
Batman 251, 294, 366.
Brave & the Bold 111, 118, 130, 141, & 191.
DC Comics Presents 41.
Detective Comics 475, 476, 504, 526, 532.
Untold Legend of the Batman 2.
Modern Age (1984-present)
Action Comics 770 & 781.
Adventures of Superman 583, 597.
Anarky 8.
Arkham Asylum: Serious House on Serious Earth
Arkham Asylum: Tales of Madness.
Azrael 27, 28, 53 (great one), 60, & 83.
Aztek 6.
Batgirl 15.
Batman 426-429, 450, 451, 491, 494, 496, 573, 574, 596, 614, 625, 638, 643, 644, 649, 650, 655, 663, 676, 680, 681, & 682.
Batman: Black & White 2.
Batman: Child of Dreams.
Batman: Dark Alliances.
Batman: Dark Knight Gallery.
Batman: Dark Victory 6, 8, 12, & 13.
Batman: Digital Justice.
Batman: DOA.
Batman: Gotham Adventures 30, 31, 37, 45, & 60.
Batman: Gotham After Midnight 5 & 6.
Batman: Gotham Knights 50, 52, 54, 55, 73, & 74.
Batman: Mask of the Phantasm.
Batman: Nosferatu.
Batman: The Cult 1.
Batman: The Dark Knight Returns.
Batman: The Long Halloween 3 & 4.
Batman & Captain America.
Batman & Deadman.
Batman & Houdini: The Devil's Workshop.
Batman & Judge Dredd 1 & 2.
Batman & Superman Adventures: World's Finest.
Batman & Robin Adventures 1, 5, & 18.
Batman & Robin, the Boy Wonder 8.
Batman Adventures 2, 3, & 16.
Batman Adventures: Mad Love.
Batman Adventures: The Lost Years 2.
Batman Adventures Annual 1.
Batman Annual 15 & 16.
Batman Beyond: Return of the Joker.
Batman Confidential 7-12 & 21-24.
Batman Cacophony 1.
Batman of Arkham.
Batman vs Incredible Hulk.
Birds of Prey 16, 36, 121-124 (fun stuff).
Booster Gold 5.
Catwoman (year 2) 38-40 & 63-65.
Catwoman Annual 3.
Countdown 2_50, 21_31, 22_30, & 23_29.
Countdown 1: The Search for Ray Palmer.
Dark Joker, the Wild.
DC1st: Clowntime.
DC Challenge 12.
DC Comics Presents 72.
DC vs Marvel Comics 1.
DC Universe 0.
Dead Again 2.
Deathstroke 58.
Detective Comics 569, 570, 617, 623, 661, 664, 669, 671-673, 726, 729, 737, 740, 741, 763, 780, 781, 788, 810, 826, 833, 834, 844, & 849.
Detective Comics Annual 4, 5 & 7.
Emperor Joker 1-3.
Generations II 2.
Gotham Central 14 & 15.
Gotham Underground 5.
H-E-R-O 10.
I, Joker.
Impulse 50.
Infinate Halloween Special 2008.
It's Joker Time 1-3.
JLA 11.
JLA: The Nail.
JLA: Justice League of Arkham.
Joker (graphic novel based on the Dark Knight movie).
Joker 1-9.
Joker & the Mask.
Joker: Devil's Advocate.
Joker: Last Laugh 1-6.
Joker: Last Laugh Secret Files & Origins.
Joker: Switch.
Joker's Asylum (mini series or compilation graphic novel).
Journey Into Knight 11 & 12.
Justice League International Annual.
Justice League Unlimited 41.
Legends of the Dark Knight 50, 65-68, 106, 126, & 142-145.
Legends of the Dark Knight Annual 1.
Legends of the DC Universe 26 & 27.
Nightwing 104 & 149.
Outsiders (2003) 2 & 3.
Punisher-Batman.
Robin 85 & 95.
Robin II: The Joker's Wild 1-4.
Salvation Run 1-7.
Shadow of the Bat 37, 38, 80-82, & 86.
Spectre 10 & 51.
Spider-Man & Batman.
Superboy 93.
Superman 161.
Superman: The Man of Steel 105.
Superman & Batman 24 & 25.
Superman Action Comics 714, 719, & 765.
The Batman Strikes! 3, 9, 16, 28, 32, 35, 47.
The Creeper 5.
The Joker's Apprentice.
The Killing Joke.
The Man who Laughs.
The New Titans 68.
Underworld Unleashed 1.
Wonder Woman 96, 97, & 175.