Vintage Porcelain Sipping Straw Cup Spa Sip Mug Mineral Spring Water USSR.  Kislovodsk -it is name of south sity -spa -resort in Russia.  It was very popular in USSR when  people went to South on vacations .  Height 4-2/8" width 4-1/2"  depth 1-1/2" .

Capacity 150 ml/5 fl oz . In very good used condition.