Odd World - Portugal

My Portuguese Collection of Odd and Unusual Stamps/MSs 

2022 The 20th Anniversary of the Euro-Pair

2022 The 20th Anniversary of the Euro - MS

Rock dust

Cork Material

2007 Cork Industry stamp

Khadi Material

World First LED Stamp

Touch and Feel stamp - Flock stamp

NFC technology, Graphene affixed stamp

2022 The 500th Anniversary of Circumnavigation of the Planet