help with strange inverted switzerland stamp

[draggin49]

Not sure how common this is, its a group of 6 stamps still attached.
Sorry im a newbie with stamps, just inherited a collection and am sorting through them.
Thanks!

 

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[draggin49]

Heres a stamp from france thar is a misprint also. Has no face value

 

[leslie(nova scotia)]

From the land of the Bluenose...teche bash...or however it is spelt....ptinted like that at times.

 

[Mackaydon]

Whatever you do, do NOT attempt to remove the stamps from the brown paper. Though there are stamp companies that will appraise your item for a fee (for example: Online Stamp Appraisals, Antique & Rare Stamp Appraisals - Value my Stuff), I'd first attempt to find a stamp museum and submit a pic to them for their opinion. It's certainly an oddity, but whether or not it's also a rarity still needs to be determined.

Leslie, tete-beche, aye.
Don...

Edit: Tete-Beche:
A pair of stamps printed together so that the images point in opposite vertical directions.