I am not sure what you mean by a "World Series Catalog" so I will give you the value for a program/scorecard. (If you do not have a program I would need a better description of the "catalog" or who issued it)
A 1945 Detroit Tigers World Series program played at Briggs Stadium is worth about $225.-$350. in excellent - near/mint condition. A 1945 Chicago Cubs World Series program played at Wrigley Field is worth $150.-$200.
As with all collectibles, condition is important. With programs/scorecards the slightest flaws will bring the price down significantly. An exceptional mint condition scorecard could sell for more.
Common flaws would be staining, foxing (yellowing), fading, creases, rips, loose pages, cracked binding, and writing on the cover. Un-scored programs will generally sell at a higher price than a scored program but sometimes it doesn't effect the value. The over all condition, and how well the cover displays will.
The first game of the 1945 World Series was on October 3rd.
The New York Yankees did not play in the 1945 World Series.
The Cubs won three games in the 1945 World Series.
The Detroit Tigers beat the Chicago Cubs 4 games to 3 in the 1945 World Series.
The 1945 World Series featured the Detroit Tigers beating the Chicago Cubs. A 1945 World Series souvenir baseball bat is worth about $75.-$150. in excellent to near/mint condition. Some souvenir bats came with a mini pennant attached to it and with the pennant could sell as high as $300.
According to findarticles.com, the share for the members of the Detroit Tigers, winners of the 1945 World Series, was $6,443.
If it is in excellent condition, you may sell it for $20-40. A Christmas catalogue will sell for considerably more.
$5
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1945
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The last time the cubs were in the world series was 1945. the last time they won was 1907-1908