Gentleman’s Box Coupon: Save 20% On First Box! Last updated by Hello Subscription on January 25, 2019. Subscription Box Coupons & Deals Make the first comment! Hello Subscription independently researches and reviews the best subscriptions and products. Things you buy through our links may earn us a commission. Save for LaterGo to commentsNotification The Gentleman’s Box has a new sale for their Classic and Premium Box! Get 20% off your first Classic or Premium Box when you use the coupon code HELLO20! See our reviews of The Gentleman’s Box Classic box and Premium Box to know more about this subscription! Are you getting The Gentleman’s Box Classic or Premium Box?