Cannot assist you with that answer, however, consider this caulking procedure.... Once a spike is set in a hull, it can be sunk into the wood by using an iron pin. After which, a wooden plug is hammered atop it, thereby sealing the countersunk spike. The plug, or peg, is chiseled flush then sealant and/or copper covers that. If you found such, check it with a detector to determine if a spike is set below the peg.
Ok Guys, I checked it with a Metal Detector. NO Metal in the Wood. Any other Ideas.Cannot assist you with that answer, however, consider this caulking procedure.... Once a spike is set in a hull, it can be sunk into the wood by using an iron pin. After which, a wooden plug is hammered atop it, thereby sealing the countersunk spike. The plug, or peg, is chiseled flush then sealant and/or copper covers that. If you found such, check it with a detector to determine if a spike is set below the peg.