Here are three seldom seen items as follows -- Actual postage additional:

U-1692 unmarked dry process but attributed to Thomas for export to Europe! Some of these were recovered from the Thomas dump. ear chip and base bruise -- $35

U-94 threaded mine insulator. no markings - dry process -- no chips, crude with some glaze crazing -- $35

U-1137A -- Found in Canada - known as the "Yukon Telegraph" style -- small base flake and some light nibbling around the sharp edges as is typical for these. -- $12

Take all three for $70