roseanneh4 Mon, 01/03/2022 - 01:53 oldernewer this is a police whistle used by the HK Patent police in the 1920 's and 1930's. I got this from my mom, who inherited it from my grandfather. it is made by alex ross. Date picture taken unknown Tags hong kong patent police whistle Author(s) roseanne hoo Log in or register to post comments
