Dear John, Greetings from The Bronx!  When you say 1-1/4" flanges, do
you mean width or diameter?  If you mean diameter, then that might be
a 'Little Wonder' piano roll.  I believe that was the smallest diameter
rolls manufactured.  Nothing really to rave about -- average music
arrangements, but very short.  As for collectability, that depends on
whether or not there's really a market for them.  There's probably at
least one collector somewhere collecting them.

They were probably manufactured by the same company that marketed the
Little Wonder Phonograph.  This was a small scale phonograph that played
it's own petite records.  Hope this helps.

Sincerely,
Dale F. Rowe
Bronx, New York

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