What percentage increase in retail value does professional authentication typically add to a World War II officer's uniform compared to an identical unauthenticated piece?

The military collectibles market has become increasingly sophisticated in recent decades, with authentication services playing a crucial role in pricing strategies. Collectors of historical military artifacts face a complex marketplace where provenance and verification dramatically affect value. This trivia question explores how professional authentication impacts the retail pricing of significant military artifacts from World War II.

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10-25% price premium
30-50% price premium
75-100% price premium
Authentication doesn't significantly affect pricing in established military collectible markets