Gibson 1936 Advanced Jumbo Heavy Aged Vintage Sunburst w/caseDuring a time when cultural optimism was low, Gibson dreamed up a new line of "advanced" instruments; included in those models was the Advanced Jumbo. Due to low production numbers from 1936 1939, this model largely flew under the radar even though it was a supreme sounding and performing instrument. Gibson Custom is pleased to once again offer the Gibson 1936 Advanced Jumbo, outfitted with a thermally aged red spruce top, rosewood back and sides, and