FDCs? No. These are first day issues of pre-stamped envelopes. Its the first of kind in my collection of covers. I really do not know too much about PSEs, as they are commonly known and googling too didn't help much. Those of you that can share more about the envelopes may please do so. What Id like to know? anything and everything I guess.
Do feel free to add your thoughts, comments or suggestions
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