Bidspirit auction | Postmarks Portuguese Numerical cancellations, 2nd

Postmarks Portuguese Numerical cancellations, 2nd Reform, 1870-76, D. Luis I, straight ribbon. Stamp Mf#40, 25 réis crimson. Used copy, obliterated with a black 2nd reform bar cancel ”173 – ESTREMOZ” or ”175 – FRONTEIRA” (both rare 3 Mundifil).