DSP. An incredibly clean example of this beautiful Buick Valve In Head Automobiles Porcelain Sign showing "Authorized Service". Sign shows iconic Buick script in the center field as well as red, white and blue Porcelain throughout. CONDITION: Side one shows incredible color & gloss throughout the field as well as excellent shelving between the colors. Side one shows a chip free field with only a few minor areas of light surface scratch but overall excellent. Side one shows some light wear at the mounting holes as well as four areas of very light touchup at the outer edge in the red border. Overall side one displays outstanding and is extremely clean, Grade 9.0+. Side two is also in outstanding condition showing brilliant color and gloss throughout the field as well as clean script. Side two shows two dime sized chips in the field as well as some minor areas of light surface scratch. Side two shows minor chipping at the bottom right mounting hole as well as two areas of minor edge chipping at the top and bottom edge. Overall side two is also extremely clean and very glossy, Grade 8.9+. An incredibly bright and glossy example of this iconic and highly sought after sign from Buick automobiles. Condition: (9.0+ & 8.9+). Dimensions: 42" Dia.