Signet rings auctions

Carnelian, silver, weight 10 g, field 22 mm, size 18 mm. Secondary setting, circa 1960. Coat of arms on panoply, with monogram JL The owner of the signet must have been a Polish officer serving in the First Republic, sealing with the coat of arms of Prussia I. Asking price 4000 Estimate 5000 - 6000 ask about the object
Overall weight 11.54 g; 28 x 23 mm; size 20 mmPunctuation illegibleIn the first field, an arrow facing right over the right hand; the second field divided in four: a ship and three rosettes.Asking price 7500Estimate 9000 - 10000ask about the object
Gold pr. ~ 0.585, silver, 1 piece diamond ~ 1.11 ct I/Si1, weight: 5.60 g; size: 22