Mint US stamps usable as postage as low as 60% of face. All stamps have gum (mostly MNH) and clean.
65% of face value for mix of denominations
70% of face value for 2 stamp combos totaling 0.73 cents
60% of face value for denominations 1c - 13c
Forever stamps 85% of face value
Stamps >= $1.00 85% of face value.
Free shipping if spending over $250.