The following table is a simplified comparison of some of the services from respected philatelic associations.  It is presented for information purposes only.  All membership fees are in USD.

Association / Service IPDA  ASDA NSDA APS PTS APTA
Membership Fee  $10 2018  

$20 2019  

$60 for 4 years

$300 per annum + $25 joining fee $75 per annum $48 USA; 

$58- Canada ; 

$68 Overseas

$197 per annum $292 Australia;          $266 Overseas
Membership List Yes not noted for members only No Yes Yes
Members sales channels Yes not noted No Yes not noted Yes
Newsletter  Yes monthly additional fee Yes Quarterly Yes Bi-monthly Yes Bi-monthly Yes
Complaint Arbitration Yes not noted not noted Yes Yes Yes
Member Advertising Yes not noted not noted Yes Yes Yes
Dealer to Dealer Discount Yes not noted not noted No not noted No
Confidential List Yes not noted not noted Yes Yes No
Social Media presence Yes not noted not noted not noted  not noted  not noted 
Insurance No not noted not noted yes via 3rd party not noted  not noted 
Expertising No not noted not noted Yes Yes  not noted 
Exhibitions No Yes not noted Yes Yes Support only

Footnotes:

ASDA – American Stamp Dealers Association

NSDA – National Stamp Dealers Association ( USA)

APS – American Philatelic Society

PTS – Philatelic Traders Society (UK)

(Fees based on exchange rate of £1 GBP is $1.31 USD)

APTA – Australian Philatelic Traders Society

(Fees based on exchange rate of $1 AUD is $0.74 USD)