Both my 1941 Stoegers and the June 10, 1941, Remington Dealer's Price List show the gun with the Hawkins pad with the heart-shaped vents and state Hawkins Pad in the text. Here is the listing from the June 10, 1941, Remington Dealer's Price List --



All the Remington paper I have from 1933 to 1949 pictures and states Hawkins pad for a Model 31TC.