You might want to get that checked out by someone who knows Lynch calls.
Lynch, M. L. - Birmingham, AL - pre 1970
100 Jet Slate Turkey Call - Older call with wooden lip 1/06 105.00
102 World Champion Box Call - "Turkey Caller" on lid, Birmingham, AL address- G 12/05 118.00
102 World Champion Box Call - "Turkey Caller" on lid, Birmingham, AL address - VG 12/05 199.99
102 World Champion Box Call - "Turkey Caller" on lid, Birmingham, AL address - G 1/06 140.00
102 World Champion Box Call - "Turkey Caller" on lid, Birmingham, AL address - VG 1/06 162.00
102 World Champion Box Call - "Turkey Caller" on lid, Birmingham, AL address - VG 1/06 106.00
102 World Champion Box Call - "Turkey Call" on lid, Birmingham, AL address - VG 1/2006 130.00
102 World Champion Box Call - "Turkey Call" on lid, Birmingham, AL address - VG 1/2006 133.00
102 World Champion Box Call - "Turkey Call" on lid, Birmingham, AL address - VG 1/2006 152.00
102 World Champion Box Call - "Turkey Call" on lid, Birmingham, AL address - VG 1/2006 203.00
101 Foolproof Box Call - 1965 model - Birmingham, AL - VG condition 1/06 153.00
101 Foolproof Box Call - 1965 model - Birmingham, AL - VG condition 1/06 213.00
101 Foolproof Box Call - 1965 model - Birmingham, AL - manufacturer mispelled (Mnaufacturer - incomplete side groove). 1/06 252.00
101 Foolproof Box Call - 1960 model - Birmingham, AL - VG small crack by screw 12/05 430.00
101 Foolproof Box Call - 1960 model - Birmingham, AL - w/ original instructions 12/05 716.00
12-holes in Lid - "Lynch's World Champion Turkey Call" box call - grooved sides 12/05 818.00"Turkey in the Pines" Lynch Box Call c. 1950-1951 - VG condition - flat sides 12/05 490.00
Very Old Flat-sided Box Call, 4 holes in lid - Birmingham, AL - one of the earliest Lynch models 1/06 1,900.00