Is it safe to say that a Perf 10 Flat plate coil can only be a #442 ?
I sure do miss 1847 dot com
1st pair

Top Stamp, Does this also have to be a Type I ?

Bottom stamp

2nd pair

Top Stamp

Bottom stamp

I know that most coils should be suspicious but the top pair has a catalog value of $22.50 (Scott 2009) so why on Earth would someone fake a $5-$10 pair of stamps ?