Tress Rosette Parallel Issue: the same stamped envelopes issued at the same time with different tress rosettes
Tress Rosette Parallel Issue: different stamped envelopes issued at the same time with the same tress rosette
Tress Rosette Design Parallel Issue: different stamped envelopes issued at the same time with the same tress rosette design
stamped envelopes from Baden and Prussia with the same tress rosette