Most Expensive Painting Valuations Ever Seen On Antiques Roadshow.

A painting donated to an Irish cathedral looked like a simple oil sketch — until experts recognized the artist and uncovered its remarkable history.

Painted by Irish artist Walter Osborne in 1901, the portrait survived through generations before eventually being donated to St. Columba’s Cathedral. What makes it even more surprising? The expert initially valued it at £40,000–£60,000, before realizing its beauty and desirability could push it above £80,000.