Gretsch Bass Drum 20 X 14 Near Mint. Near mint condition 79/80 vintage gretsch bass drum 20 x 14 virgin 6 ply jasper shell. HTis was the first of the t-top square badges. Complete with the jimmy pratt abss drum tone control!Percussion gretsch bass drum 20 x 14 mint please add $85.00 s&h to your continental usa address. This itme can be picked up.