[meteorite-list] Meteorites/Meteoroids/Mictometeorites First Day Covers / Event Covers sought

[Michael Masse]

Hi 'List' ... Seeking:   First Day Covers featuring meteorite stamps    Event Covers including      All Antartic covers of ANSMET,  Planetary Studies      Foundation, and other  meteorite search expeditions        Micrometeorite / Meteoroid study satellite launch      covers including Explorer 45,     (Congradulations to 'the Big Collector' on your recent Hoba FDC acquisition)   Michael M