No 10 (4-1/8-x-9-1/2) - in Finish Appearance: Ultra Smooth - Letter envelope choices are here

[Clearance temp] #10 Ultra Smooth 70T Bright White Envelopes (4.125 x 9.5) - Finch Fine - 2500 PK
FI-FUS-10E-70-C
8.6 - 8

$416.13 $312.10
[Clearance temp] #10 Ultra Smooth 70T Bright White Envelopes (4.125 x 9.5) - Finch Fine - 500 PK
FI-FUS-10E-70-B
43 - 43

$95.03 $71.27