A rain check is the part of the ticket that is considered a Stub after it is torn from the full ticket. The remaining portion of a ticket ripped off when attending a game. A rain check. Not as valuable as a Full Ticket, but still collectible.
A 1943 New York Yankees World Series Full ticket played at Yankee Stadium is worth about $200. -$225. and a ticket stub about $125.-$175.
A 1943 St. Louis Cardinals World Series Full ticket played at Sportsman's Park is worth about $200. -$225 A ticket stub sells for about $125.-$175.
Condition is important. The slightest flaws could bring the price down significantly. Common flaws include; rips, creases, stains, and fading. Ticket stubs that are not ripped cleanly will also sell for less.