N.S.F.K. Free Balloon Badge opinions

[RamZ67]

Hello, was wanting to get opinions on this N.S.F.K Free Balloon Badge. I cannot locate one with this type of Mark on reverse. I have serious doubts its authentic. Any thoughts please?

[rbno]

Post war Souval badge.

Sorry,

Alen

[RamZ67]

Post war Souval badge.

Sorry,

Alen

Thanks! No worries was asking for a friend we both had our doubts.
Thanks for the info!

[rlimike]

I agree with Alen. Souval badge with spurious
markings.
Michael H.

[RamZ67]

I agree with Alen. Souval badge with spurious
markings.
Michael H.

Thanks!