Yes, that swineback stock is certainly no beauty but reflects the period it was made in, I guess the 1960s or 1970s. Early model 54s had nice classic straight back stocks, without white spacers. Mediocre leaf engraving on this deluxe variation is another sign of later production. BTW I presume model 54 denotes year 1954.
The Krupp 3 rings steel mark, as noted by Raimey, was standard in those times, obviously superseding the familiar Bochumer steel and mark from earlier post-war production.
Cheers,
Jani