rng_save_excursion exc;
    seed_rng( prop );

        {

            // Override special - this could cause a "bad" (no-properties)
            // randart, but we only need the name anyway. We have to
            // do this in order to get a consistent name for the mimic item.
            item.special = (((mimic->x << 8) + mimic->y) & RANDART_SEED_MASK);
        }

        {

            // See comment above for randart weapon mimics.
            item.special = (((mimic->x << 8) + mimic->y) & RANDART_SEED_MASK);
        }