Gibson Headstock Logos thru the years in Pictures Very Helpful in Dating a Vintage Guitar when Serial number not present or unclear. Original Slanted Logo “The Gibson” Logo Late 1920’s not slanted The Gibson Logo Mid 1930’s thin Gibson Logo Late 1930’s Thicker Gibson Logo Slanted mid 1940’s Gibson Logo Late 1940’s “i” touches the “G” on “Modern” non cursive/script Gibson Logo Modern Gibson Logo open “b” and “o” Late 1960’s Gibson Logo around 1969 with no dot over the “i” Early 1970’s block shaped no dot over the “i” closed “b” and “o” gibson logo