Danish made cards for Canasta and Bridge. Published by Handa Ltd. Copenhagen.
The cards are linen embossed and have guilded corners. The package contains 54 cards (52 cards (four suits of 13 cards) and two jokers).
There is also an inlay for "Service and reclamation" so you could fill in and post the inlay card (no stamp needed), to get a new card exchanged for free if some of your cards were damaged or lost. This inlay card is written by the old writing rules pre-1948. No exact date is stated.