100 Baht - Rama X Series 17; polymer

Features

Issuer	Thailand
Issuing bank	Bank of Thailand (ธนาคารแห่งประเทศไทย)
King	Phra Vajira Klao (Rama X / Vajiralongkorn) (2016-date)
Type	Standard circulation banknotes
Year	2025
Value	100 Bahts (100 บาท) 100 THB = USD 3.06
Currency	Baht (1897-date)
Composition	Polymer
Size	150 × 72 mm
Shape	Rectangular
Issued	21 November 2025
Number	N# 538617
References	TBB# 202a, 202b Owen W. Linzmayer. The Banknote Book (4 volumes).

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Series: Series 17

Obverse

Red print; multicolour underprint; red serial numbers; black signatures.
Bust of King Vajiralongkorn, in the uniform of the commander of the Royal Thai Air Force, facing slightly left. Crowned "วปร" monogram, surmounted by Great Crown of Victory with "๑๐"-shaped Unalom inside, emitting 17 rays from top jewel of the crown, on guillochés background in the center. Thai numerals denomination on bottom-left corner; Arabic numerals denomination on bottom-right corner.
Perfect registration printed Garuda on upper-right corner. Five-pedals-flower-shaped transparent window with golden '100' in the centre of inverted five-pedals-flower prined with special ink, red ink that change to purple on certain angle, with smaller five-pedals-flower-shaped transparent window at upper has multiline repeating small embossed '100', to the left of monograms. Golden five-pedals-flower with translucent inverted pentagon centre, to the right of king's head. EURion constellations on upper right of king's head. Dense repeating microtexts '100' in the shadow to the left of king's neck; dense repeating microtexts '100' near Arabic numerals denomination; uniline repeating microtexts '100' along guillochés surrounding the monogram. Latent number '100' on the left of king's shoulder, visible from bottom-left to center. Vertical metallic security thread, which can change color from pink to green when looking from different angle, with repeating "100 BAHT 100 บาท" inside, to the left. Tactile ten slanted bars on center-left and center-right edge; tactile eight-pedals-flower arranged as ⠓, Braille 'H', abbriviation for 'hundred'.

Scripts: Braille, Thai

Lettering:
รัฐบาลไทย
ธนบัตรเป็นเงินที่ชําระหนี้ได้ตามกฎหมาย
หนึ่งร้อยบาท

๑๐๐ 100

Translation:
Government of Thailand.
Banknote is legal tender for paying debt.
One Hundred Baht.
100.

Reverse

Red print; multicolour underprint.
Half-length figure of King Rama V and King rama VI, both front-facing but have eyesight toward the center. Rava V's royal trip to Notodden, Norway, on a car facing right driven by Sam Eyde, to the lower left of Rama V. King Rama VI riding horse facing half-right, founding of Thai Boy Scouts to the lower right of King Rama VI. Emblem of Chakri dynasty, depicting Trishula trident pointing up inserted in Chakra discus, on guillochés background, to the upper right of King Rama VI. Arabic numerals denomination on guillochés background, on upper-left; Thai numerals denomination on bottom-left corner.
EURion constellations on lower-left corner, top-right corner, and bottom-right corner. Uniline repeating microtexts '100' hidden in background motifs; Multiline repeating microtexts '100' hidden in motifs surrounding Arabic numerals denomination. Embossed ⠓, Braille 'H', abbriviation for 'hundred', at top-right.

Script: Thai

Lettering:
100
๑๐๐
การปลอมหรือแปลงธนบัตรเป็นความผิด ต้องระวางโทษตามประมวลกฎหมายอาญา

Translation:
100.
Counterfeiting or altering banknotes is a crime, and will be punished due to criminal law.

Watermark

Head of King Vajiralongkorn, facing slightly left.

Signatures

Pichai Chunhavajira (PC)	Minister of Finance
Sethaput Suthiwartnaruepu (SS)	Governor
Ekniti Nitithanprapas (EN)	Minister of Finance
Vitai Ratanakorn (VR)	Governor

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Date	Signatures	AU	UNC	References	Frequency
Undetermined
ND (2025)	PC, SS	$ 3.10	$ 5.20	TBB# 202a Owen W. Linzmayer. The Banknote Book (4 volumes).	93%
ND (2025)	EN, VR			TBB# 202b Owen W. Linzmayer. The Banknote Book (4 volumes).	1.4%

Values in the table above are expressed in USD. They are based on evaluations by Numista users and sales realized on Internet platforms. They serve as an indication only; they are not intended to be relied upon for buying, selling or exchanging. Numista does not buy or sell coins or banknotes.

Frequencies show the percentage of Numista users who own each year or variety among all the users who own this banknote. Since some users own several versions, the sum may be greater than 100%.

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This index is based on the data of Numista members collections. It ranges from 0 to 100, 0 meaning a very common coin or banknote and 100 meaning a rare coin or banknote among Numista members.