What does SFL stand for?
SFL stands for "Stampless Folded Letter"
How to abbreviate "Stampless Folded Letter"?
"Stampless Folded Letter" can be abbreviated as SFL
What is the meaning of SFL abbreviation?
The meaning of SFL abbreviation is "Stampless Folded Letter"
What does SFL mean?
SFL as abbreviation means "Stampless Folded Letter"