2189a or ?
Unusual find: I have two of these Hubert Humphrey stamps that appear to be unused. They have what appears to be low gloss, unhinged uneven gum. The double lines on the front appear as if to be precancel lines since the are in the same approximate location on both stamps.
Anybody have a clue to what these may be? No mention in the Scott Specialized under the listing for this one.
Ken W.


Anybody have a clue to what these may be? No mention in the Scott Specialized under the listing for this one.
Ken W.


Comments
Can you provide a back scan as well?
Gum descriptions in Scott are really not the definitive ID for this stamp. The true identifier is it's tagging. You need a UV light (I think this requires short wave UV, as opposed to long wave UV, but many of the handheld UV lights available provide both). The luminescence of the tagging will tell you if it's a 2189 or a 2189a.
Rene is right, these are pre-cancelled, which is why they still have full gum in tact. In this case, they are also considered "used" and not "MNH".
This type of precancel isn't uncommon. I know you're trying to determine if you have some kind of scarce variety, but having a precancel doesn't make it such. Precancellation is still in use today in many applications, including mailing service bureaus. You mentioned its block tagged, so this is just a garden variety 2189 with a precancel (gummed or not, this is considered a used stamp). Sorry.