*Edit, spelling error: seemed to

From the 2nd link, he still had the Eerie Orb. Fire Snaggletooth. In his current backpack, it is now replaced by 3 unusuals - Orb. Fire Capo's Capper, Harvest Moon Football Helm & Orb. Planets Private Eye - and a S.F. Wrench. This overall equates to ~6 buds in items.

Since his buyout was 5 buds but he sold at 6 buds in items, 5-6 buds would be a good price. This was also the only successful trade I've seen.