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The Sports Appraiser
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Manage series 3587371
内容由Michael Osacky提供。所有播客内容（包括剧集、图形和播客描述）均由 Michael Osacky 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品，您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
Michael Osacky is a USPAP Compliant sports appraiser and lead appraiser for PSA, which is the world's largest third party grader of sports collectibles. The Sports Appraiser Podcast helps listeners become smarter about how to collect, value, and care for sports collectibles. Visit his website for more: https://www.baseballintheattic.com/
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