Whitman Expo
The former Freeman's senior specialist will oversee a newly reorganized department with an expanded scope that includes American furniture and decorative arts.
Thank you to our sponsors!
Go check them out!
Obverse Description
English and Irish text; two horses yoked to plow; plowman
Reverse Description
Rock of Cashel, Tipperary
Catalog Information
GSID:
113420
Variety:
6-5-29 Sig 6: Brennan/Robertson Prefix 01PX
BNB #:
B111Pa
Pick #:
P41
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 6-5-29 Sig 6: Brennan/Robertson Prefix 01PX
Body: Referring page: http://www.greysheet.com/prices/item/6-5-29-sig-6-brennan-robertson-prefix-01px/gsid/113420 GSID: 113420 Title: 6-5-29 Sig 6: Brennan/Robertson Prefix 01PX
Subscribe to View
Log In
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Pricing Data Not Yet Available
We are constantly adding to our pricing database and prioritize user requests. Click below to request pricing for this item.
Request Pricing 10•9•28; 23•10•28 Sig 1: Brennan/McElligott Prefix A/01 - A/08
Worth: $225 – $900
31•12•29 - 4•8•37 Prefix ##X
Worth: $225 – $900
Diagonal black SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n
![Diagonal black SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n](https://images.greysheet.com/Ctc/Catalog/20220810/auctions_stacksbowers_com_lots_view_3_tsncp-0.20220810020211546.jpg?MaxWidth=200&Mode=Pad&Scale=UpscaleCanvas&format=webp)
10•9•28; 23•10•28 Sig 1: Brennan/McElligott Prefix H/01 - H/20; H/35 - H/40
Worth: $50 – $800
4•7•30 - 23•12•37 Prefix 23J - 45K
Worth: $50 – $800
Diagonal red SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n
![Diagonal red SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n](https://images.greysheet.com/Ctc/Catalog/20220816/auctions_stacksbowers_com_lots_view_3_n7vom-0.20220816043747075.jpg?MaxWidth=200&Mode=Pad&Scale=UpscaleCanvas&format=webp)
10•9•28; 23•10•28 Sig 1: Brennan/McElligott Prefix T/01 - T/12
Worth: $60 – $250
7•6•32 - 19•8•37 Prefix 26T
Diagonal red SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n
![Diagonal red SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n](https://images.greysheet.com/Ctc/Catalog/20221111/currency_ha_com_c_item_zx_saleno_3549_lotno_26363-0.20221111031838682.jpg?MaxWidth=200&Mode=Pad&Scale=UpscaleCanvas&format=webp)
10•9•28 Sig 1: Brennan/McElligott Prefix V/01 - V05
Worth: $120 – $500
6•7•32; 16•3•33 Prefix 06V
Worth: $120 – $500
Diagonal red SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n
![Diagonal red SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n](https://images.greysheet.com/Ctc/Catalog/20220818/auctions_stacksbowers_com_lots_view_3_kd3r5-0.20220818072214153.jpg?MaxWidth=200&Mode=Pad&Scale=UpscaleCanvas&format=webp)
10•9•28 Sig 1: Brennan/McElligott Prefix X/01
Diagonal black SPECIMEN ovpt front; dated 13•5•06 [sic]; all-zero s/n
10•9•28 Sig 1: Brennan/McElligott Prefix Y/01
Worth: $3,000 – $3,000
Greysheet News
Andrew Taggart Joins Heritage Auctions to Lead Decorative Arts to 1900
10/14/2026
Trump Dollar Offered in Bags, Rolls
In early September, the U.S. Mint began selling bags and rolls of Semiquincentennial one-dollar coins.
10/12/2026
Rare 'Return of Macao' Gold 500 Yuan Leads Heritage's Oct. 4 Hong Kong Autumn World Coins Showcase Auction
Genghis Khan gold Dinar and Qing Dynasty 50 Taels Sycee also among top results in $416,821 event.
10/10/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
