Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952) Gretsch Synchromatic (1952)