1 lx 2 months ago No Affiliation With Seller.But this is just loverly. Somehow the light really catches this beauty. Something I've noticed with the truss rod covers from around this time: they are very subtly radiused on the bottom corners. Why can't Grover make proper Imperial knobs like these? Still has the cheapo plastic strap peg. Gary doesn't seem to know if this is a '56 or '57. He should buy Ed's book.