In the US, $3500-4000 for a high condition 28" 20 ga SP is my estimate. The fore-end crack hurts some but I don't know how much. The fore-ends's are very thin next to the ejector hammers, about where you describe the crack.

The 28" guns sell for more than the 26.5" barreled SPs.

Last edited by Yeti; 02/14/07 06:33 PM.