Is it a Stamp or a Postcard? IT'S A POSTAL CARD! so neither

Back-of-postcards tagged posts

These 1975 Christmas stamps don't indicate the price per stamp, as

Postal card - コレクション

Postal card - コレクション

Postally Sent Envelopes With Improper Postage Or No Postage - Stamp Community Forum

Sweetzer & Orange Hello Postcards Pack (60 Post Cards) 4x6 Postcards for Kids and Adults. 300gsm Note Cards. Blank Hello Greeting Cards, Mint Green

Soviet Zone stamps (DDR) : r/philately

Is It A Stamp Or A Postcard? IT'S A POSTAL CARD! So, 54% OFF

Handmade Quilted Postcard Tutorial - Suzy Quilts

Soviet Zone stamps (DDR) : r/philately

Is It A Stamp Or A Postcard? IT'S A POSTAL CARD! So, 54% OFF

How to Use Vintage Postage Stamps for Your Wedding – Roseville Designs

Are these Stamps worth more with the letter attached? : r/stamps

Are these Stamps worth more with the letter attached? : r/stamps

Sometimes the paper around the stamp is also interesting : r/stamps