On Monday my first Shuttercal postcards arrived.
They took about two days from time of ordering to the postmark date, and another ten days to arrive from the United States. Quality is nice, too, even if the mailing process means they end up with faint orange barcodes printed across the front. Any message on the back is printed in a fairly small font, so there’s room for quite a bit of news if you’re so inclined. My conclusion? Definitely an option for postcrossing as well as casual greetings.