Star Trek (Leaf)
The Star Trek trading card set released by Leaf in 1967 was the first such set released. The set was only released on a limited scale due to the company's small distribution area (Ohio and Illinois), and was quickly recalled as a result of licensing issues. As such, it is extremely rare.
The cards contained black and white images from various episodes, as well as blooper images from filming, coupled with reverse-side text that was largely fabricated, and had little connection to the episode the image originated from.
In the mid-1990s, a dealer claimed to have discovered "a European version" of the same series (not a reprint, but decades old cards which were never released). He sold these cards at a large margin, using a letter from Paramount verifying their origin. A decade or so later, it was revealed to be a hoax. The dealer had received a letter from Paramount saying the cards were fake, and he copied the letterhead and signature to create a false letter of authorization. The cards were in fact, modern (unauthorized) reprints. An unauthorized reprint of the set also took place in 1981, but they at least have the word "reprint" near the copyright.
Base set
| No. | 1 | 2 | 3 |
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| Title | No Time For Escape | Attempted Mutiny | A Group Appears |
| No. | 4 | 5 | 6 |
| Card | 
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| Title | Come In, Captain Kirk | Murasaki Mischief | Beam Down to Dawn |
| No. | 7 | 8 | 9 |
| Card | 
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| Title | Beside Himself | Back Through Time | Horta Emerging |
| No. | 10 | 11 | 12 |
| Card | 
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| Title | Spock's Box | Spock in Command | Spock in Command |
| No. | 13 | 14 | 15 |
| Card | 
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| Title | Befuddled Bones | Prepare to Fire Phasers | Command Decision |
| No. | 16 | 17 | 18 |
| Card | 
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| Title | Kirk Battles a Gorn | Phaser Daser | Space Race |
| No. | 19 | 20 | 21 |
| Card | 
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| Title | Fight Fire With Fire | Captain's Bluff | Underground Pursuit |
| No. | 22 | 23 | 24 |
| Card | 
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| Title | The Bird | Teeny Bopper | Time Warp |
| No. | 25 | 26 | 27 |
| Card | 
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| Title | You're Kidding | Beam Out | Burn Out |
| No. | 28 | 29 | 30 |
| Card | 
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| Title | Interference Out | Not So Funny | Prisoner of the Mind |
| No. | 31 | 32 | 33 |
| Card | 
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| Title | Stalking a Killer | The Earth Killer | Fight for Lithium |
| No. | 34 | 35 | 36 |
| Card | 
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| Title | Destruction Decision | Return My Ship | Frozen at the Controls |
| No. | 37 | 38 | 39 |
| Card | 
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| Title | Christmas Present | Amnesia Victim | Decoy |
| No. | 40 | 41 | 42 |
| Card | 
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| Title | Beyond Tomorrow | Trapped | Kirk Outside Spock Inside |
| No. | 43 | 44 | 45 |
| Card | 
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| Title | Spock Takes a Job | Kirk Held Hostage | Big Joker |
| No. | 46 | 47 | 48 |
| Card | 
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| Title | A Scream of Pain | Captain's Statue | Call Me Senator |
| No. | 49 | 50 | 51 |
| Card | 
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| Title | Into a New World | Tranquilized | Time for Shore Leave |
| No. | 52 | 53 | 54 |
| Card | 
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| Title | Ice Age | Ambushed | Pain of Victory |
| No. | 55 | 56 | 57 |
| Card | 
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| Title | Cornered | Jungle Hunt | Collision Course |
| No. | 58 | 59 | 60 |
| Card | 
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| Title | Corbomite Maneuver | You Give Me a Headache | Shore Leave Surprise |
| No. | 61 | 62 | 63 |
| Card | 
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| Title | Killer Aboard | Mindless Man | Pirates at Bay |
| No. | 64 | 65 | 66 |
| Card | 
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| Title | Off Course | Attack by Nothing | Funny Little Enemies |
| No. | 67 | 68 | 69 |
| Card | 
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| Title | Poison Attack! | Warp Out for Rescue | Out of Control |
| No. | 70 | 71 | 72 |
| Card | 
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| Title | Return to the Living | Space Prisoner | Raspberries |