I have a soft-spot for Cal Custom big-block Chevy valve covers. I made an impulse buy on eBay for a pair that had minor repairs and I paid $30. Then the seller nailed me for an additional $20 for shipping (D'OH!) and I felt really dumb. I just bought another near-mint set for $75 with the PCV/breather holes not punched out. Yep, an additional $25 shipping hit made them $100. (Double D'OH!) I kept watching them on eBay and several more sets went into the 100-dollar range so I felt better.
Yes, I know, I could buy them all day long for less than $25 at any swap meet so save your breath guys. I love repeating my mistakes on eBay.