I think an >1oz International Letter is as good as use as any for those $2 Inverted Jenny stamps! : r/stamps

Are postage stamps worth any money? - Quora

Inverted Jenny $2.00 MNH US Postage Stamp Scott's 4806

The art director for this souvenir sheet was Antonio Alcalá.

Lot of 2 Inverted Jenny Stamps Souvenir Sheet of 6 $2 stamps

Inverted Jenny, Full Pane of 6 x $2 Postage Stamps, USA 2013, Scott 4806 : Office Products

Are vintage postage stamps worth more if they are postmarked? - Quora

Rare US stamp 'Inverted Jenny' sells for record $2M

Postage stamps and postal history of the United States - Wikipedia

Philangles 386 Catalogue by Philangles Ltd - Issuu

I think an >1oz International Letter is as good as use as any for those $2 Inverted Jenny stamps! : r/stamps

I think an >1oz International Letter is as good as use as any for those $2 Inverted Jenny stamps! : r/stamps

Why does the US Postal Service use costly materials to make stamps instead of cheaper alternatives? - Quora

USPS New Issues 2013 (Stamp News Now)

The stamp is from the lower right position in a souvenir sheet of six. It has been guillotine-cut from a sheet of six panes.

4806c Inverted Jenny $2 stamp Imperf Single (Lower Right position) No Die Cut

Does anyone make art with postage stamps? - Quora