Introduced in 1899. Discontinued in 1905. This design is not hard to find in US8b or US8d. Less common in the later US8c version.

A red US8d Sprocket No. 1 joker sold for $80 on eBay on November 20, 2016. A blue Sprocket No. 1 sample card sold on eBay for $41.00 on February 20, 2017 (see image below).

  66. Snowflake                                    68. Sprocket No. 2  

The Sprocket No. 1 Sample Card