The 1973 World Series featured the Oakland Athletics beating the New York Mets four games to three. A 1973 Oakland Athletics World Series Full ticket played at Oakland-Alameda County Coliseum is worth about $85. -$100.and a ticket stub about $45.-$75. A 1973 New York Mets World Series Full ticket played at Shea Stadium is worth about $200. -$250. A ticket stub sells for about $50.- $85.
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. For more information on vintage baseball tickets visit the link I left below.