Approx. 3.5 x 5.5 inches
I'LL COMBINE SHIPPING WHERE POSSIBLE.
Domestic Shipping Rates for Postcards: 1 CARD SHIPS FOR $1.
EACH ADDITIONAL CARD SHIPS FOR $0.20.
9 AND MORE CARDS SHIP FOR $2.60 (I'll never charge more than $2.60 for shipping any amount of postcards in one shipment).
Please request TOTAL before paying for multiple purchases to get combined shipping.