I have a vintage set for sale. Scanning them will be unproductive, as the negative space is the same red-orange colors as the flame stickers themselves.
A Cricut could produce serviceable copies. Member pmwasson, aka LaserMego produces all sorts of great vinyl stickers.
WANTED: Dick Grayson SI trousers; gray AJ Mustang horse; vintage RC Batman (Bruce Wayne) head; minty Wolfman tights; mint Black Knight sword; minty Launcelot boots; Lion Rock (pale) Dracula & Mummy heads; Lion Rock Franky squared boots; Wayne Foundation blue furniture; Flash Gordon/Ming (10") unbroken holsters; CHiPs gloved arms; POTA T2 tan body; CTVT/vintage Friar Tuck robes, BBP TZ Burgess Meredith glasses.