Posted By:
Joe D.the slab-ability of the item will affect the number of people interested in it.... which in turn gives it a higher value.
Of course there are exceptions to the rule.
Quite honestly.... for the most part - I would take a Real-Photo Postcard over its larger-sized photo counterpart.
Postcards just seem to have their own charisma (my own personal preference I guess), especially if they are mailed with postal markings on them. But, if a photo is mounted... then I might prefer it over a Real-Photo postcard. Its close though.