Peruvian sterling silver mug and two tumblers - Early 20th century

Embossed and chased with typical Peruvian motifs. Sterling silver, hallmarked '925'.
Measures and weights: mug, height 13.5, base diameter 9.2 cm, weight 333 gr; tumbler, height 11.7, maximum diameter 9 cm, weight 145 gr; small tumbler, height 6.5 cm, maximum diameter 5.1 cm, weight 49 g.
Item condition grading: **** good.