▁period ▁of ▁ 2 3 ▁years . ▁ ▁At ▁the ▁beginning ▁of ▁the ▁Second ▁World ▁War , ▁radio ▁was ▁a ▁big ▁player ▁in ▁the ▁promotion ▁and ▁distribution ▁of ▁prem iums , ▁usually ▁to ys ▁that ▁were ▁closely ▁related ▁to ▁the ▁radio ▁program . ▁There ▁were ▁many ▁radio ▁shows ▁that ▁offered ▁prem iums ▁to ▁their ▁listen ers , ▁but ▁Captain ▁Mid night ▁was ▁one ▁of ▁the ▁best ▁known . ▁The ▁early ▁spons or ▁of ▁Captain ▁Mid night ▁was ▁Sk elly ▁O il , ▁and ▁parents ▁could ▁get ▁forms ▁to ▁mail - in ▁for ▁radio ▁prem iums ▁at ▁the ▁gas ▁stations . ▁Later , ▁O val t ine ▁became ▁the ▁spons or ▁of ▁Captain ▁Mid night , ▁and ▁it ▁continued ▁the ▁prem iums ▁through ▁advert ising ▁on ▁the ▁labels ▁and ▁fo il ▁to ps ▁of ▁O val t ine ▁that ▁could ▁be ▁collected ▁to ▁exchange ▁for ▁Captain ▁Mid night ▁prem iums ▁and ▁offering ▁membership ▁to ▁the ▁" Secret ▁Squadron ". ▁ ▁Bo xt ops ▁ ▁In ▁ 1 9 2 9 , ▁Betty ▁Cro cker ▁issued ▁coup ons ▁that ▁could ▁be ▁used ▁to ▁re de em ▁for ▁prem iums ▁like ▁free ▁flat ware . ▁ ▁In ▁ 1 9 3 7 ▁the ▁coup ons ▁were ▁printed ▁on ▁the ▁outside ▁of ▁packages , ▁and ▁later ▁the ▁Betty ▁Cro cker ▁points ▁program ▁produced ▁a ▁popular ▁reward ▁catalog ▁from ▁which ▁customers ▁could ▁pick ▁re wards ▁using ▁their ▁points . ▁ ▁In ▁ 2 0 0 6 , ▁it ▁was ▁announced ▁that ▁the ▁Betty ▁Cro cker ▁Catalog ▁was ▁going