British cruiser HMS Cordelia and destroyers Warwick and Wrestler serving in the Baltic according to the Weekly Intelligence Summary No. 19 for the week ending19 March 1921

C-class Caroline-sub class light cruisers

An item reported that the British light cruiser HMS Cordelia and the destroyers Warwick and Wrestler were to leave Copenhagen, Denmark on 21 March to visit Libau [Liepaja, Latvia].

Notes

1. Part of C-class Caroline sub-class light cruisers, preceded by Arethusa-class, succeeded by Danae-class, laid down by HM Dockyard Pembroke on 21 July 1913, launched on 23 February 1914, completed and commissioned in January 1915, last time decommissioned in December 1922 and sold to be broken up on 31 July 1923.

2. Oart of Admiralty W-class destroyers, preceded by S- and Parker-classes succeeded by Thornycroft tupe destroyer leader, laid down by Hawthorn Leslie&Company, Hebburn, England on 10 March 1917, launched on 28 December 1917, commissioned on 18 March 1918 and torpedoed and sunk by the German submarine U-413 southwest of Trevose Headon 20 February 1944. 

3. Part of V- and W-class destroyer receded by S- and Parker-classes succeeded by Thornycroft tupe destroyer leader, ordered on 9 December 1916, laid down by Swan Hunter, Wallsend, England in July 1917, launched on 25 February 1918, commissioned on 15 May 1918, mined off Juno Beach, France on 6 June 1944 and sold to be broken up on 20 July 1944.  

Source

The National Archives, Kew Gardens, England CAB-24-121-62