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Vintage Cycling Telescopic Drinking Beaker.

Reference
21861
A cyclists telescopic cup made up of five rings to form a relatively large cup with a turned over lip. The lid is embossed with a charming scene of two cyclists on a tandem and the words 'Cyclist's cur'. The base of the cup is inscribed 'Made in USA, pat'd Feb. 23. 97.'
Condition
very good and usable.
Year
1897
Period
1850-1899