The Antique tournament Size Dublin Style Chessmen we are describing are reproduced pieces made in our own manufacturing unit, replicating a classic design from the early to mid-Victorian period, around the late 1830s. Here's an overview of these reproduced chessmen based on the details you provided:

Key Features:

 Design Inspiration: The design is based on the Northern Upright pattern, which was originally produced by the John Jaques firm. This particular design belongs to the broader category of English Playing sets, a group of designs that were popular before the introduction of the Staunton set in 1849.

  Historical Context:

 Victorian Period: These sets were made in the late 1830s, during the early and mid-Victorian period. This was a time when chess pieces were highly decorative and diverse in their design, before the Staunton set became the standard.

 English Playing Sets: The Dublin Style Chessmen are part of the English Playing set category, which also includes other notable designs such as the Saint  George, Lund, and Calvert patterns. These sets were used by chess enthusiasts prior to the dominance of the Staunton design after 1849.

 Connection to the Dublin Style Chess Club:

 The Dublin Style Chessmen were most likely designed for use by the Dublin Style Chess Club in the late 1830s. This adds a layer of historical significance to these pieces, tying them to one of the early prominent chess organizations.

 Manufacturing Background:

 Craftsmanship: The design and craftsmanship of these reproduced chessmen aim to reflect the style of sets made by famous manufacturers of the era, including Dixon, Thomas and William Lund, John Calvert, George Merrifield, and John Jaques.

 Northern Upright Style: The Dublin Style Chessmen design itself is derived from the Northern Upright sets made by the John Jaques firm, known for its high-quality chessmen.

 Reproduction Accuracy:

 These reproduced chessmen are based on the historical design found in the 1860 Pattern Book of the John Jaques firm. This ensures that the modern set closely mirrors the aesthetic and proportions of the original pieces from the 19th century.

 The Legacy of the Dublin Style Chessmen:

The Dublin Style Chessmen represent a significant chapter in the history of chess sets, highlighting the period before the widespread adoption of the Staunton pattern. By recreating this historical set, you're offering chess enthusiasts a chance to experience and appreciate a piece of chess history, especially for those interested in antique style sets or the specific designs used by clubs like the Dublin Style Chess Club.