Cheap Postcard Printing. A great promotional tool to hand out in a crowd, or to send out as a product announcements with other mail. Indieprint can supply your business with high quality postcards that fit easily into tight spaces on shop retail counters and in live music venues. Postcards are cost effective as they are easy to transport and to distribute. Indieprint can print your next postcard job in either full colour or black and white on 310gsm stock in full colour 1 side, full colour 2 sides, or full colour one side and black and white on the second side. 24 Hour express turnaround applies to this product for runs of 10,000 and under.