Stamp block from Hungary

 

This block was issued in Hungary in 1999

https://im-possible.info/english/art/stamps/hungary-1999.html

Short comics

 

A short comics by Diego Zhaken  

https://im-possible.info/english/art/cartoons/diego-zhaken.html

Author - https://www.instagram.com/diegozhaken

First day cover

 

First day cover with postage stamps with impossible figures by Oscar Reutersvard.  

https://im-possible.info/english/art/stamps/reutersvard.html#fdc-2

The Acqueduct by the Moon

 

The Acqueduct by the Moon  

by Anickin Color  

https://im-possible.info/english/art/various/anickin-color.html

Author - https://ru.pinterest.com/adelaumenie/

Artworks by Jos de Mey

 

Ink and watercolor artworks by Jos de Mey  

https://im-possible.info/english/art/mey/mey13.html

Stamp from Switzerland

 

Stamp with impossible triangle from Switzerland  

https://im-possible.info/english/art/stamps/helvetia.html

Time Travelling Tribar

 

Time Travelling Tribar 

by Sylvia Ritter  

https://im-possible.info/english/art/computer/sylvia-ritter.html

Author - https://www.sylvia-ritter.com/