With reference to the recent discussion about clear Hemingray insulators with the thin yellow line, I think this piece is an oddball considering these are usually found with a wide yellow streak or almost solid yellow. This is the only Hemingray 12 I have found with the yellow line, and it is near the right-side mold line, and no it is not the 1947 mold. It is a 1948 mold (41:::.). Intersting...