Hello everyone,new to the forum. I have had this mug for many years now and have always been curious as to it’s composition, age and country of mfg. any info would be great, thanks https://i1146.photobucket.com/albums/o529/Jwmurders/Mobile%20Uploads/42B289E8-6540-46AC-8568-EC1CB955C95A_zps59jihatm.j...