Found the checklst, this set is just 32 cards; reference is here: Icehockey Sticker World Cup 1955 - Sammelbilder-Kiddy 1955 - 32 verschiedene Sammelbilder der Fi (lot-tissimo.com)
Set confirned as 32 cards through google translation of description. Photos of all bubblegum cards (not stickers) including advertising poster in the above link.
Set name confirmed as Kiddy Kaugummi (Bubblegum) WeltMeisterschaft (WM) (World Championships) 1955
Information also submitted through the checklist submit feature.
Cheers,
Tom