Covers tagged "earth summit" (clear filter)

Peter Max 1992 UN Earth Summit Vienna Souvenir Sheet
Peter Max 1992 UN Earth Summit Vienna Souvenir Sheet
Peter Max 1992 UN Earth Summit Block – Pop Art Design
Peter Max 1992 UN Earth Summit Block – Pop Art Design
Peter Max Earth Summit 1992 UN 29-Cent Stamp Block
Peter Max Earth Summit 1992 UN 29-Cent Stamp Block