-double crease straight caulking iron engraved with "J. Stortz" (J. Stortz & Son was founded in 1853 in Philadelphia, PA by John Stortz, a German immigrant)
-wide blunt end with two indented lines
-used for driving oakum fiber between wood ship planks for waterproofing
-from a set of 19 caulking irons, J. Stortz brand
-value $200.00 for 19 caulking irons and wooden mallet ($86.12)
