- HALF PRICE ADMISSION GUN SHOW Jan. 13-14-15, 2023 MANCHESTER, IA The Gathering Place Jan. 20-21-22, 2023 DUBUQUE, IA Dubuque County Fairgrounds www.bigboreenterprise.com COUPON - HALF PRICE ADMISSION GUN SHOW Jan. 13-14-15 , 2023 MANCHESTER , IA The Gathering Place Jan. 20-21-22 , 2023 DUBUQUE , IA Dubuque County Fairgrounds www.bigboreenterprise.com COUPON