Whitman Expo
Following a thrilling multi-day showcase, Stack's Bowers and Ponterio is pleased to report the spectacular results of their October 2026 Hong Kong (SAR) Showcase Auction, which concluded on October 26, 2026.
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Obverse Description
English text; turtles; open treasure chest; coat of arms; Queen Elizabeth II
Reverse Description
English text; cutter sailboat; town
Catalog Information
GSID:
91436
Variety:
Replacement: Prefix Z/1 Unconfirmed
BNB #:
B102az
Pick #:
P2
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Subject: I would like to contribute catalog info to CDN for Replacement: Prefix Z/1 Unconfirmed
Body: Referring page: http://www.greysheet.com/prices/item/replacement-prefix-z-1-unconfirmed-b102az-91436-world-paper-money-values/gsid/91436 GSID: 91436 Title: Replacement: Prefix Z/1 Unconfirmed
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Request Pricing 1971 Sig 1: Johnson Prefix A/1, A/2 Intro: 01 05 1972
Worth: $2 – $30
Horizontal SPECIMEN OF NO VALUE perf
Diagonal red SPECIMEN ovpt front/back; all-zero s/n
Diagonal red SPECIMEN and DLR oval ovpts front/back; horizontal red SPECIMEN NO # ovpt lower left front; all-zero s/n
Replacement: Prefix Z/1
1971 Sig 1: Johnson Prefix A/1 Intro: 01 05 1972
Worth: $6 – $100
Horizontal SPECIMEN OF NO VALUE perf
Diagonal red SPECIMEN ovpt front/back; all-zero s/n
Diagonal red SPECIMEN and DLR oval ovpts front/back; horizontal red SPECIMEN NO # ovpt lower left front; all-zero s/n
1971 Sig 1: Johnson Prefix A/1 Intro: 01 05 1972
Worth: $25 – $375
Horizontal SPECIMEN OF NO VALUE perf
Diagonal black SPECIMEN ovpt front/back; all-zero s/n
Diagonal black SPECIMEN and DLR oval ovpts front/back; horizontal black SPECIMEN NO # ovpt lower left front; all-zero s/n
Replacement: Prefix Z/1 Unconfirmed
1971 Sig 1: Johnson Prefix A/1 Intro: 01 05 1972
Worth: $55 – $925
Greysheet News
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Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026