Frankie's 1956 #2 hit was a cover of Jim Lowe's US #1 original
The Philips releases always had 1H or 2H on the label it can almost certainly be used to decide which the a and b sides of records, however The Green Door has the 2H usually denoting the b side. I can find no info as to whether Green Door was the original b side.
The flip is Pity The Poor, Poor Man also uploaded.